// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5 // RUN: %clang_cc1 -std=c11 -triple=x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=LINUX // RUN: %clang_cc1 -std=c11 -triple=x86_64-windows-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=WINDOWS struct Empty {}; // LINUX-LABEL: define dso_local void @testEmpty( // LINUX-SAME: ptr noundef [[E:%.*]]) #[[ATTR0:[0-9]+]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[E_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[E]], ptr [[E_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[E_ADDR]], align 8 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testEmpty( // WINDOWS-SAME: ptr noundef [[E:%.*]]) #[[ATTR0:[0-9]+]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[E_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[E]], ptr [[E_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[E_ADDR]], align 8 // WINDOWS-NEXT: ret void // void testEmpty(struct Empty *e) { // Emtpy struct is empty in C, no padding __builtin_clear_padding(e); } // LINUX-LABEL: define dso_local void @testPrimitiveNoPadding( // LINUX-SAME: ptr noundef [[I:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[I_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[I]], ptr [[I_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[I_ADDR]], align 8 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testPrimitiveNoPadding( // WINDOWS-SAME: ptr noundef [[I:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[I_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[I]], ptr [[I_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[I_ADDR]], align 8 // WINDOWS-NEXT: ret void // void testPrimitiveNoPadding(int *i) { // This should not clear any padding, since int has no padding. __builtin_clear_padding(i); } // LINUX-LABEL: define dso_local void @testPrimitiveLongDouble( // LINUX-SAME: ptr noundef [[LD:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[LD_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[LD]], ptr [[LD_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[LD_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 2 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 4 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 2 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testPrimitiveLongDouble( // WINDOWS-SAME: ptr noundef [[LD:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[LD_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[LD]], ptr [[LD_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[LD_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 2 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 4 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 2 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: ret void // void testPrimitiveLongDouble(long double *ld) { // padding [10, 15] on x86 __builtin_clear_padding(ld); } // LINUX-LABEL: define dso_local void @testBitInt( // LINUX-SAME: ptr noundef [[BI:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[BI_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[BI]], ptr [[BI_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BI_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // LINUX-NEXT: [[TMP2:%.*]] = load i8, ptr [[TMP1]], align 4 // LINUX-NEXT: [[TMP3:%.*]] = and i8 [[TMP2]], 1 // LINUX-NEXT: store i8 [[TMP3]], ptr [[TMP1]], align 4 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 2 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testBitInt( // WINDOWS-SAME: ptr noundef [[BI:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[BI_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[BI]], ptr [[BI_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BI_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // WINDOWS-NEXT: [[TMP2:%.*]] = load i8, ptr [[TMP1]], align 4 // WINDOWS-NEXT: [[TMP3:%.*]] = and i8 [[TMP2]], 1 // WINDOWS-NEXT: store i8 [[TMP3]], ptr [[TMP1]], align 4 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 2 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: ret void // void testBitInt(_BitInt(97) *bi) { // Storage is widened to 128 bits; clear bits [97, 128). __builtin_clear_padding(bi); } // LINUX-LABEL: define dso_local void @testPrimitiveComplexLongDouble( // LINUX-SAME: ptr noundef [[C:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[C_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[C]], ptr [[C_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 2 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 4 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 2 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 26 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 2 // LINUX-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 27 // LINUX-NEXT: store i8 0, ptr [[TMP8]], align 1 // LINUX-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 28 // LINUX-NEXT: store i8 0, ptr [[TMP9]], align 4 // LINUX-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 29 // LINUX-NEXT: store i8 0, ptr [[TMP10]], align 1 // LINUX-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // LINUX-NEXT: store i8 0, ptr [[TMP11]], align 2 // LINUX-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // LINUX-NEXT: store i8 0, ptr [[TMP12]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testPrimitiveComplexLongDouble( // WINDOWS-SAME: ptr noundef [[C:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[C_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[C]], ptr [[C_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[C_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 2 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 4 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 2 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 26 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 2 // WINDOWS-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 27 // WINDOWS-NEXT: store i8 0, ptr [[TMP8]], align 1 // WINDOWS-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 28 // WINDOWS-NEXT: store i8 0, ptr [[TMP9]], align 4 // WINDOWS-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 29 // WINDOWS-NEXT: store i8 0, ptr [[TMP10]], align 1 // WINDOWS-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // WINDOWS-NEXT: store i8 0, ptr [[TMP11]], align 2 // WINDOWS-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // WINDOWS-NEXT: store i8 0, ptr [[TMP12]], align 1 // WINDOWS-NEXT: ret void // void testPrimitiveComplexLongDouble(_Complex long double *c) { // padding [10, 15] and [26, 31] on x86 __builtin_clear_padding(c); } union U1 { int i; char c; }; // LINUX-LABEL: define dso_local void @testUnionDifferentLength( // LINUX-SAME: ptr noundef [[U:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[U_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[U]], ptr [[U_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[U_ADDR]], align 8 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testUnionDifferentLength( // WINDOWS-SAME: ptr noundef [[U:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[U_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[U]], ptr [[U_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[U_ADDR]], align 8 // WINDOWS-NEXT: ret void // void testUnionDifferentLength(union U1 *u) { // This should not clear the object representation bits of the non-active member. __builtin_clear_padding(u); } struct S { __attribute__((aligned(8))) char c1; }; union U2 { struct S s1; char c2; }; // LINUX-LABEL: define dso_local void @testUnionTailPaddingOfLongestMember( // LINUX-SAME: ptr noundef [[U:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[U_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[U]], ptr [[U_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[U_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 2 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 2 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 4 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 4 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 1 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 2 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testUnionTailPaddingOfLongestMember( // WINDOWS-SAME: ptr noundef [[U:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[U_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[U]], ptr [[U_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[U_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 2 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 2 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 4 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 4 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 1 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 2 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 1 // WINDOWS-NEXT: ret void // void testUnionTailPaddingOfLongestMember(union U2 *u) { // This should clear the tail padding of the longest member. // [1 - 7] __builtin_clear_padding(u); } struct __attribute__((aligned(4))) Foo { char a; _Alignas(2) char b; }; struct __attribute__((aligned(4))) Bar { char c; _Alignas(2) char d; }; struct __attribute__((aligned(4))) Baz { struct Foo foo; char e; struct Bar bar; }; // Baz structure: // "a", PAD_1, "b", PAD_2, "c", PAD_3, PAD_4, PAD_5, "c", PAD_6, "d", PAD_7 // %struct.Baz = type { %struct.Foo, i8, [3 x i8], %struct.Bar } // %struct.Foo = type { i8, i8, i8, i8 } // %struct.Bar = type { i8, i8, i8, i8 } // LINUX-LABEL: define dso_local void @testStructPaddingInBetweenMembers( // LINUX-SAME: ptr noundef [[BAZ:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[BAZ_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[BAZ]], ptr [[BAZ_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAZ_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 2 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 1 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 9 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testStructPaddingInBetweenMembers( // WINDOWS-SAME: ptr noundef [[BAZ:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[BAZ_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[BAZ]], ptr [[BAZ_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAZ_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 2 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 1 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 9 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 1 // WINDOWS-NEXT: ret void // void testStructPaddingInBetweenMembers(struct Baz *baz) { // this should clear all the padding in between various members __builtin_clear_padding(baz); } // LINUX-LABEL: define dso_local void @testStructVolatile( // LINUX-SAME: ptr noundef [[BAZ:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[BAZ_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[BAZ]], ptr [[BAZ_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAZ_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 2 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 1 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 9 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testStructVolatile( // WINDOWS-SAME: ptr noundef [[BAZ:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[BAZ_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[BAZ]], ptr [[BAZ_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAZ_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 6 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 2 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 1 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 9 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 1 // WINDOWS-NEXT: ret void // void testStructVolatile(volatile struct Baz *baz) { // this should clear all the padding in between various members __builtin_clear_padding(baz); } struct S3 { long double l; _Bool b; }; // LINUX-LABEL: define dso_local void @testStructWithLongDouble( // LINUX-SAME: ptr noundef [[S:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[S_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[S]], ptr [[S_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 2 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 4 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 2 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 17 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 1 // LINUX-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 18 // LINUX-NEXT: store i8 0, ptr [[TMP8]], align 2 // LINUX-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 19 // LINUX-NEXT: store i8 0, ptr [[TMP9]], align 1 // LINUX-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 20 // LINUX-NEXT: store i8 0, ptr [[TMP10]], align 4 // LINUX-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 21 // LINUX-NEXT: store i8 0, ptr [[TMP11]], align 1 // LINUX-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 22 // LINUX-NEXT: store i8 0, ptr [[TMP12]], align 2 // LINUX-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i32 23 // LINUX-NEXT: store i8 0, ptr [[TMP13]], align 1 // LINUX-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP0]], i32 24 // LINUX-NEXT: store i8 0, ptr [[TMP14]], align 8 // LINUX-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[TMP0]], i32 25 // LINUX-NEXT: store i8 0, ptr [[TMP15]], align 1 // LINUX-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP0]], i32 26 // LINUX-NEXT: store i8 0, ptr [[TMP16]], align 2 // LINUX-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[TMP0]], i32 27 // LINUX-NEXT: store i8 0, ptr [[TMP17]], align 1 // LINUX-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i32 28 // LINUX-NEXT: store i8 0, ptr [[TMP18]], align 4 // LINUX-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[TMP0]], i32 29 // LINUX-NEXT: store i8 0, ptr [[TMP19]], align 1 // LINUX-NEXT: [[TMP20:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // LINUX-NEXT: store i8 0, ptr [[TMP20]], align 2 // LINUX-NEXT: [[TMP21:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // LINUX-NEXT: store i8 0, ptr [[TMP21]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testStructWithLongDouble( // WINDOWS-SAME: ptr noundef [[S:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[S_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[S]], ptr [[S_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 10 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 2 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 4 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 2 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 17 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 1 // WINDOWS-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 18 // WINDOWS-NEXT: store i8 0, ptr [[TMP8]], align 2 // WINDOWS-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 19 // WINDOWS-NEXT: store i8 0, ptr [[TMP9]], align 1 // WINDOWS-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 20 // WINDOWS-NEXT: store i8 0, ptr [[TMP10]], align 4 // WINDOWS-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 21 // WINDOWS-NEXT: store i8 0, ptr [[TMP11]], align 1 // WINDOWS-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 22 // WINDOWS-NEXT: store i8 0, ptr [[TMP12]], align 2 // WINDOWS-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i32 23 // WINDOWS-NEXT: store i8 0, ptr [[TMP13]], align 1 // WINDOWS-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP0]], i32 24 // WINDOWS-NEXT: store i8 0, ptr [[TMP14]], align 8 // WINDOWS-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[TMP0]], i32 25 // WINDOWS-NEXT: store i8 0, ptr [[TMP15]], align 1 // WINDOWS-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP0]], i32 26 // WINDOWS-NEXT: store i8 0, ptr [[TMP16]], align 2 // WINDOWS-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[TMP0]], i32 27 // WINDOWS-NEXT: store i8 0, ptr [[TMP17]], align 1 // WINDOWS-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i32 28 // WINDOWS-NEXT: store i8 0, ptr [[TMP18]], align 4 // WINDOWS-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[TMP0]], i32 29 // WINDOWS-NEXT: store i8 0, ptr [[TMP19]], align 1 // WINDOWS-NEXT: [[TMP20:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // WINDOWS-NEXT: store i8 0, ptr [[TMP20]], align 2 // WINDOWS-NEXT: [[TMP21:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // WINDOWS-NEXT: store i8 0, ptr [[TMP21]], align 1 // WINDOWS-NEXT: ret void // void testStructWithLongDouble(struct S3 *s) { // "long double data[0-9]", PAD [10-15], "b", PAD [17-31] __builtin_clear_padding(s); } struct S11 { // will usually occupy 2 bytes: unsigned char b1 : 3; // 1st 3 bits (in 1st byte) are b1 unsigned char b2 : 2; // next 2 bits (in 1st byte). The rest bits in byte 1 are unused unsigned char b3 : 6; // 6 bits for b3 - doesn't fit into the 1st byte => starts a 2nd unsigned char b4 : 2; // 2 bits for b4 - next (and final) bits in the 2nd byte }; // LINUX-LABEL: define dso_local void @testBitFields( // LINUX-SAME: ptr noundef [[S:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[S_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[S]], ptr [[S_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 0 // LINUX-NEXT: [[TMP2:%.*]] = load i8, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = and i8 [[TMP2]], 31 // LINUX-NEXT: store i8 [[TMP3]], ptr [[TMP1]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testBitFields( // WINDOWS-SAME: ptr noundef [[S:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[S_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[S]], ptr [[S_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[S_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 0 // WINDOWS-NEXT: [[TMP2:%.*]] = load i8, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = and i8 [[TMP2]], 31 // WINDOWS-NEXT: store i8 [[TMP3]], ptr [[TMP1]], align 1 // WINDOWS-NEXT: ret void // void testBitFields(struct S11 *s) { // "b1" [0-2], "b2" [3-4], PAD [5-7], "b3" [8-13], "b4" [14-15] // to clear 5-7, we should AND 0b00011111 (31) __builtin_clear_padding(s); } // LINUX-LABEL: define dso_local void @testArrayNoPadding( // LINUX-SAME: ) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[I:%.*]] = alloca [4 x i32], align 16 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testArrayNoPadding( // WINDOWS-SAME: ) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[I:%.*]] = alloca [4 x i32], align 16 // WINDOWS-NEXT: ret void // void testArrayNoPadding(void) { int i[4]; // there is no padding in the array. __builtin_clear_padding(&i); } // LINUX-LABEL: define dso_local void @testArrayLongDouble( // LINUX-SAME: ) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[LD:%.*]] = alloca [2 x x86_fp80], align 16 // LINUX-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[LD]], i32 10 // LINUX-NEXT: store i8 0, ptr [[TMP0]], align 2 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[LD]], i32 11 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[LD]], i32 12 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 4 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[LD]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[LD]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 2 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[LD]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 1 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[LD]], i32 26 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 2 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[LD]], i32 27 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 1 // LINUX-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[LD]], i32 28 // LINUX-NEXT: store i8 0, ptr [[TMP8]], align 4 // LINUX-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[LD]], i32 29 // LINUX-NEXT: store i8 0, ptr [[TMP9]], align 1 // LINUX-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[LD]], i32 30 // LINUX-NEXT: store i8 0, ptr [[TMP10]], align 2 // LINUX-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[LD]], i32 31 // LINUX-NEXT: store i8 0, ptr [[TMP11]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testArrayLongDouble( // WINDOWS-SAME: ) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[LD:%.*]] = alloca [2 x x86_fp80], align 16 // WINDOWS-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[LD]], i32 10 // WINDOWS-NEXT: store i8 0, ptr [[TMP0]], align 2 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[LD]], i32 11 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[LD]], i32 12 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 4 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[LD]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[LD]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 2 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[LD]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 1 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[LD]], i32 26 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 2 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[LD]], i32 27 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 1 // WINDOWS-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[LD]], i32 28 // WINDOWS-NEXT: store i8 0, ptr [[TMP8]], align 4 // WINDOWS-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[LD]], i32 29 // WINDOWS-NEXT: store i8 0, ptr [[TMP9]], align 1 // WINDOWS-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[LD]], i32 30 // WINDOWS-NEXT: store i8 0, ptr [[TMP10]], align 2 // WINDOWS-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[LD]], i32 31 // WINDOWS-NEXT: store i8 0, ptr [[TMP11]], align 1 // WINDOWS-NEXT: ret void // void testArrayLongDouble() { // long double 0, [0-9] PAD [10-15] // long double 1, [16-25] PAD [26-31] long double ld[2]; __builtin_clear_padding(&ld); } // LINUX-LABEL: define dso_local void @testArrayOfStruct( // LINUX-SAME: ) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[S:%.*]] = alloca [2 x [[STRUCT_S_LOCAL:%.*]]], align 16 // LINUX-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[S]], i32 5 // LINUX-NEXT: store i8 0, ptr [[TMP0]], align 1 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[S]], i32 6 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 2 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[S]], i32 7 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[S]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[S]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 2 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[S]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 1 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[S]], i32 21 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[S]], i32 22 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 2 // LINUX-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[S]], i32 23 // LINUX-NEXT: store i8 0, ptr [[TMP8]], align 1 // LINUX-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[S]], i32 29 // LINUX-NEXT: store i8 0, ptr [[TMP9]], align 1 // LINUX-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[S]], i32 30 // LINUX-NEXT: store i8 0, ptr [[TMP10]], align 2 // LINUX-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[S]], i32 31 // LINUX-NEXT: store i8 0, ptr [[TMP11]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testArrayOfStruct( // WINDOWS-SAME: ) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[S:%.*]] = alloca [2 x [[STRUCT_S_LOCAL:%.*]]], align 16 // WINDOWS-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[S]], i32 5 // WINDOWS-NEXT: store i8 0, ptr [[TMP0]], align 1 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[S]], i32 6 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 2 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[S]], i32 7 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[S]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[S]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 2 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[S]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 1 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[S]], i32 21 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[S]], i32 22 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 2 // WINDOWS-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[S]], i32 23 // WINDOWS-NEXT: store i8 0, ptr [[TMP8]], align 1 // WINDOWS-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[S]], i32 29 // WINDOWS-NEXT: store i8 0, ptr [[TMP9]], align 1 // WINDOWS-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[S]], i32 30 // WINDOWS-NEXT: store i8 0, ptr [[TMP10]], align 2 // WINDOWS-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[S]], i32 31 // WINDOWS-NEXT: store i8 0, ptr [[TMP11]], align 1 // WINDOWS-NEXT: ret void // void testArrayOfStruct(void) { struct S_local { int i1; char c1; int i2; char c2; }; // S[0].i1 [0-3], S[0].c1 [4], PAD [5-7], // S[0].i2 [8-11], S[0].c2 [12], PAD [13-15], // S[1].i1 [16-19], S[1].c1 [20], PAD [21-23], // S[1].i2 [24-27], S[1].c2 [28], PAD [29-31] struct S_local s[2]; __builtin_clear_padding(&s); } struct ArrOfStructsWithPadding { struct Bar bars[2]; }; // ArrOfStructsWithPadding structure: // "c" (1), PAD_1, "d" (1), PAD_2, "c" (2), PAD_3, "d" (2), PAD_4 // %struct.ArrOfStructsWithPadding = type { [2 x %struct.Bar] } // LINUX-LABEL: define dso_local void @testArrOfStructsWithPadding( // LINUX-SAME: ptr noundef [[ARR:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[ARR_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[ARR]], ptr [[ARR_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARR_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 1 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testArrOfStructsWithPadding( // WINDOWS-SAME: ptr noundef [[ARR:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[ARR_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[ARR]], ptr [[ARR_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[ARR_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 5 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 1 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 7 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: ret void // void testArrOfStructsWithPadding(struct ArrOfStructsWithPadding *arr) { __builtin_clear_padding(arr); } // LINUX-LABEL: define dso_local void @testAtomic( // LINUX-SAME: ptr noundef [[BAR:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[BAR_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[BAR]], ptr [[BAR_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAR_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 1 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testAtomic( // WINDOWS-SAME: ptr noundef [[BAR:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[BAR_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[BAR]], ptr [[BAR_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[BAR_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 1 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 1 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 3 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: ret void // void testAtomic(_Atomic(struct Bar)* bar) { __builtin_clear_padding(bar); } typedef float Float3Vec __attribute__((ext_vector_type(3))); typedef long double LongDouble3Vec __attribute__((ext_vector_type(3))); // LINUX-LABEL: define dso_local void @testAttributedType( // LINUX-SAME: ptr noundef [[V:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[V_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[V]], ptr [[V_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[V_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 4 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 2 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testAttributedType( // WINDOWS-SAME: ptr noundef [[V:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[V_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[V]], ptr [[V_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[V_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 12 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 4 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 13 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 14 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 2 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 15 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: ret void // void testAttributedType(Float3Vec* v) { __builtin_clear_padding(v); } // LINUX-LABEL: define dso_local void @testAttributedLongDoubleType( // LINUX-SAME: ptr noundef [[V:%.*]]) #[[ATTR0]] { // LINUX-NEXT: [[ENTRY:.*:]] // LINUX-NEXT: [[V_ADDR:%.*]] = alloca ptr, align 8 // LINUX-NEXT: store ptr [[V]], ptr [[V_ADDR]], align 8 // LINUX-NEXT: [[TMP0:%.*]] = load ptr, ptr [[V_ADDR]], align 8 // LINUX-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // LINUX-NEXT: store i8 0, ptr [[TMP1]], align 2 // LINUX-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // LINUX-NEXT: store i8 0, ptr [[TMP2]], align 1 // LINUX-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 32 // LINUX-NEXT: store i8 0, ptr [[TMP3]], align 32 // LINUX-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 33 // LINUX-NEXT: store i8 0, ptr [[TMP4]], align 1 // LINUX-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 34 // LINUX-NEXT: store i8 0, ptr [[TMP5]], align 2 // LINUX-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 35 // LINUX-NEXT: store i8 0, ptr [[TMP6]], align 1 // LINUX-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 36 // LINUX-NEXT: store i8 0, ptr [[TMP7]], align 4 // LINUX-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 37 // LINUX-NEXT: store i8 0, ptr [[TMP8]], align 1 // LINUX-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 38 // LINUX-NEXT: store i8 0, ptr [[TMP9]], align 2 // LINUX-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 39 // LINUX-NEXT: store i8 0, ptr [[TMP10]], align 1 // LINUX-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 40 // LINUX-NEXT: store i8 0, ptr [[TMP11]], align 8 // LINUX-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 41 // LINUX-NEXT: store i8 0, ptr [[TMP12]], align 1 // LINUX-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i32 42 // LINUX-NEXT: store i8 0, ptr [[TMP13]], align 2 // LINUX-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP0]], i32 43 // LINUX-NEXT: store i8 0, ptr [[TMP14]], align 1 // LINUX-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[TMP0]], i32 44 // LINUX-NEXT: store i8 0, ptr [[TMP15]], align 4 // LINUX-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP0]], i32 45 // LINUX-NEXT: store i8 0, ptr [[TMP16]], align 1 // LINUX-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[TMP0]], i32 46 // LINUX-NEXT: store i8 0, ptr [[TMP17]], align 2 // LINUX-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i32 47 // LINUX-NEXT: store i8 0, ptr [[TMP18]], align 1 // LINUX-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[TMP0]], i32 48 // LINUX-NEXT: store i8 0, ptr [[TMP19]], align 16 // LINUX-NEXT: [[TMP20:%.*]] = getelementptr i8, ptr [[TMP0]], i32 49 // LINUX-NEXT: store i8 0, ptr [[TMP20]], align 1 // LINUX-NEXT: [[TMP21:%.*]] = getelementptr i8, ptr [[TMP0]], i32 50 // LINUX-NEXT: store i8 0, ptr [[TMP21]], align 2 // LINUX-NEXT: [[TMP22:%.*]] = getelementptr i8, ptr [[TMP0]], i32 51 // LINUX-NEXT: store i8 0, ptr [[TMP22]], align 1 // LINUX-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[TMP0]], i32 52 // LINUX-NEXT: store i8 0, ptr [[TMP23]], align 4 // LINUX-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[TMP0]], i32 53 // LINUX-NEXT: store i8 0, ptr [[TMP24]], align 1 // LINUX-NEXT: [[TMP25:%.*]] = getelementptr i8, ptr [[TMP0]], i32 54 // LINUX-NEXT: store i8 0, ptr [[TMP25]], align 2 // LINUX-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP0]], i32 55 // LINUX-NEXT: store i8 0, ptr [[TMP26]], align 1 // LINUX-NEXT: [[TMP27:%.*]] = getelementptr i8, ptr [[TMP0]], i32 56 // LINUX-NEXT: store i8 0, ptr [[TMP27]], align 8 // LINUX-NEXT: [[TMP28:%.*]] = getelementptr i8, ptr [[TMP0]], i32 57 // LINUX-NEXT: store i8 0, ptr [[TMP28]], align 1 // LINUX-NEXT: [[TMP29:%.*]] = getelementptr i8, ptr [[TMP0]], i32 58 // LINUX-NEXT: store i8 0, ptr [[TMP29]], align 2 // LINUX-NEXT: [[TMP30:%.*]] = getelementptr i8, ptr [[TMP0]], i32 59 // LINUX-NEXT: store i8 0, ptr [[TMP30]], align 1 // LINUX-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP0]], i32 60 // LINUX-NEXT: store i8 0, ptr [[TMP31]], align 4 // LINUX-NEXT: [[TMP32:%.*]] = getelementptr i8, ptr [[TMP0]], i32 61 // LINUX-NEXT: store i8 0, ptr [[TMP32]], align 1 // LINUX-NEXT: [[TMP33:%.*]] = getelementptr i8, ptr [[TMP0]], i32 62 // LINUX-NEXT: store i8 0, ptr [[TMP33]], align 2 // LINUX-NEXT: [[TMP34:%.*]] = getelementptr i8, ptr [[TMP0]], i32 63 // LINUX-NEXT: store i8 0, ptr [[TMP34]], align 1 // LINUX-NEXT: ret void // // WINDOWS-LABEL: define dso_local void @testAttributedLongDoubleType( // WINDOWS-SAME: ptr noundef [[V:%.*]]) #[[ATTR0]] { // WINDOWS-NEXT: [[ENTRY:.*:]] // WINDOWS-NEXT: [[V_ADDR:%.*]] = alloca ptr, align 8 // WINDOWS-NEXT: store ptr [[V]], ptr [[V_ADDR]], align 8 // WINDOWS-NEXT: [[TMP0:%.*]] = load ptr, ptr [[V_ADDR]], align 8 // WINDOWS-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 30 // WINDOWS-NEXT: store i8 0, ptr [[TMP1]], align 2 // WINDOWS-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP0]], i32 31 // WINDOWS-NEXT: store i8 0, ptr [[TMP2]], align 1 // WINDOWS-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP0]], i32 32 // WINDOWS-NEXT: store i8 0, ptr [[TMP3]], align 32 // WINDOWS-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[TMP0]], i32 33 // WINDOWS-NEXT: store i8 0, ptr [[TMP4]], align 1 // WINDOWS-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[TMP0]], i32 34 // WINDOWS-NEXT: store i8 0, ptr [[TMP5]], align 2 // WINDOWS-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[TMP0]], i32 35 // WINDOWS-NEXT: store i8 0, ptr [[TMP6]], align 1 // WINDOWS-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[TMP0]], i32 36 // WINDOWS-NEXT: store i8 0, ptr [[TMP7]], align 4 // WINDOWS-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[TMP0]], i32 37 // WINDOWS-NEXT: store i8 0, ptr [[TMP8]], align 1 // WINDOWS-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP0]], i32 38 // WINDOWS-NEXT: store i8 0, ptr [[TMP9]], align 2 // WINDOWS-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[TMP0]], i32 39 // WINDOWS-NEXT: store i8 0, ptr [[TMP10]], align 1 // WINDOWS-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[TMP0]], i32 40 // WINDOWS-NEXT: store i8 0, ptr [[TMP11]], align 8 // WINDOWS-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[TMP0]], i32 41 // WINDOWS-NEXT: store i8 0, ptr [[TMP12]], align 1 // WINDOWS-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i32 42 // WINDOWS-NEXT: store i8 0, ptr [[TMP13]], align 2 // WINDOWS-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[TMP0]], i32 43 // WINDOWS-NEXT: store i8 0, ptr [[TMP14]], align 1 // WINDOWS-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[TMP0]], i32 44 // WINDOWS-NEXT: store i8 0, ptr [[TMP15]], align 4 // WINDOWS-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP0]], i32 45 // WINDOWS-NEXT: store i8 0, ptr [[TMP16]], align 1 // WINDOWS-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[TMP0]], i32 46 // WINDOWS-NEXT: store i8 0, ptr [[TMP17]], align 2 // WINDOWS-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i32 47 // WINDOWS-NEXT: store i8 0, ptr [[TMP18]], align 1 // WINDOWS-NEXT: [[TMP19:%.*]] = getelementptr i8, ptr [[TMP0]], i32 48 // WINDOWS-NEXT: store i8 0, ptr [[TMP19]], align 16 // WINDOWS-NEXT: [[TMP20:%.*]] = getelementptr i8, ptr [[TMP0]], i32 49 // WINDOWS-NEXT: store i8 0, ptr [[TMP20]], align 1 // WINDOWS-NEXT: [[TMP21:%.*]] = getelementptr i8, ptr [[TMP0]], i32 50 // WINDOWS-NEXT: store i8 0, ptr [[TMP21]], align 2 // WINDOWS-NEXT: [[TMP22:%.*]] = getelementptr i8, ptr [[TMP0]], i32 51 // WINDOWS-NEXT: store i8 0, ptr [[TMP22]], align 1 // WINDOWS-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[TMP0]], i32 52 // WINDOWS-NEXT: store i8 0, ptr [[TMP23]], align 4 // WINDOWS-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[TMP0]], i32 53 // WINDOWS-NEXT: store i8 0, ptr [[TMP24]], align 1 // WINDOWS-NEXT: [[TMP25:%.*]] = getelementptr i8, ptr [[TMP0]], i32 54 // WINDOWS-NEXT: store i8 0, ptr [[TMP25]], align 2 // WINDOWS-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP0]], i32 55 // WINDOWS-NEXT: store i8 0, ptr [[TMP26]], align 1 // WINDOWS-NEXT: [[TMP27:%.*]] = getelementptr i8, ptr [[TMP0]], i32 56 // WINDOWS-NEXT: store i8 0, ptr [[TMP27]], align 8 // WINDOWS-NEXT: [[TMP28:%.*]] = getelementptr i8, ptr [[TMP0]], i32 57 // WINDOWS-NEXT: store i8 0, ptr [[TMP28]], align 1 // WINDOWS-NEXT: [[TMP29:%.*]] = getelementptr i8, ptr [[TMP0]], i32 58 // WINDOWS-NEXT: store i8 0, ptr [[TMP29]], align 2 // WINDOWS-NEXT: [[TMP30:%.*]] = getelementptr i8, ptr [[TMP0]], i32 59 // WINDOWS-NEXT: store i8 0, ptr [[TMP30]], align 1 // WINDOWS-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP0]], i32 60 // WINDOWS-NEXT: store i8 0, ptr [[TMP31]], align 4 // WINDOWS-NEXT: [[TMP32:%.*]] = getelementptr i8, ptr [[TMP0]], i32 61 // WINDOWS-NEXT: store i8 0, ptr [[TMP32]], align 1 // WINDOWS-NEXT: [[TMP33:%.*]] = getelementptr i8, ptr [[TMP0]], i32 62 // WINDOWS-NEXT: store i8 0, ptr [[TMP33]], align 2 // WINDOWS-NEXT: [[TMP34:%.*]] = getelementptr i8, ptr [[TMP0]], i32 63 // WINDOWS-NEXT: store i8 0, ptr [[TMP34]], align 1 // WINDOWS-NEXT: ret void // void testAttributedLongDoubleType(LongDouble3Vec *v) { // long double elements occupy [0-9], [16-25], [32-41] on x86. __builtin_clear_padding(v); }