derek.holloway
7502bf64a4
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84 lines
3.3 KiB
C
84 lines
3.3 KiB
C
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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// RUN: %clang_cc1 -O1 -triple=x86_64-unknown-linux %s -emit-llvm -o - | FileCheck %s
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typedef unsigned char uint8_t;
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typedef unsigned long long uint64_t;
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struct a {
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uint64_t b;
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uint8_t block[16];
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};
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// CHECK-LABEL: define dso_local void @ptradd_0(
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// CHECK-SAME: ptr noundef writeonly captures(none) initializes((8, 9)) [[CTX:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[BLOCK:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 8
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// CHECK-NEXT: store i8 0, ptr [[BLOCK]], align 8, !tbaa [[TBAA6:![0-9]+]]
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// CHECK-NEXT: ret void
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//
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void ptradd_0(struct a *ctx) {
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*(ctx->block + 0) = 0;
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}
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// CHECK-LABEL: define dso_local void @ptradd_4(
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// CHECK-SAME: ptr noundef writeonly captures(none) initializes((12, 13)) [[CTX:%.*]]) local_unnamed_addr #[[ATTR0]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 12
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// CHECK-NEXT: store i8 0, ptr [[ADD_PTR]], align 4, !tbaa [[TBAA6]]
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// CHECK-NEXT: ret void
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//
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void ptradd_4(struct a *ctx) {
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*(ctx->block + 4) = 0;
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}
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// CHECK-LABEL: define dso_local void @ptradd_8(
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// CHECK-SAME: ptr noundef writeonly captures(none) initializes((16, 17)) [[CTX:%.*]]) local_unnamed_addr #[[ATTR0]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 16
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// CHECK-NEXT: store i8 0, ptr [[ADD_PTR]], align 8, !tbaa [[TBAA6]]
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// CHECK-NEXT: ret void
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//
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void ptradd_8(struct a *ctx) {
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*(ctx->block + 8) = 0;
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}
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// CHECK-LABEL: define dso_local void @ptradd_8_commuted(
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// CHECK-SAME: ptr noundef writeonly captures(none) initializes((16, 17)) [[CTX:%.*]]) local_unnamed_addr #[[ATTR0]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 16
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// CHECK-NEXT: store i8 0, ptr [[ADD_PTR]], align 8, !tbaa [[TBAA6]]
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// CHECK-NEXT: ret void
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//
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void ptradd_8_commuted(struct a *ctx) {
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*(8 + ctx->block) = 0;
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}
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// CHECK-LABEL: define dso_local void @ptrsub_4(
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// CHECK-SAME: ptr noundef writeonly captures(none) initializes((8, 9)) [[CTX:%.*]]) local_unnamed_addr #[[ATTR0]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 8
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// CHECK-NEXT: store i8 0, ptr [[ADD_PTR]], align 4, !tbaa [[TBAA6]]
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// CHECK-NEXT: ret void
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//
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void ptrsub_4(struct a *ctx) {
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*(&ctx->block[4] - 4) = 0;
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}
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// CHECK-LABEL: define dso_local void @neg_ptradd_var_index(
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// CHECK-SAME: ptr noundef writeonly captures(none) [[CTX:%.*]], i8 noundef zeroext [[IDX:%.*]]) local_unnamed_addr #[[ATTR0]] {
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// CHECK-NEXT: [[ENTRY:.*:]]
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// CHECK-NEXT: [[BLOCK:%.*]] = getelementptr inbounds nuw i8, ptr [[CTX]], i64 8
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// CHECK-NEXT: [[IDX_EXT:%.*]] = zext i8 [[IDX]] to i64
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// CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds nuw i8, ptr [[BLOCK]], i64 [[IDX_EXT]]
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// CHECK-NEXT: store i8 0, ptr [[ADD_PTR]], align 1, !tbaa [[TBAA6]]
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// CHECK-NEXT: ret void
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//
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void neg_ptradd_var_index(struct a *ctx, uint8_t idx) {
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*(ctx->block + idx) = 0;
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}
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//.
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// CHECK: [[META4:![0-9]+]] = !{!"omnipotent char", [[META5:![0-9]+]], i64 0}
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// CHECK: [[META5]] = !{!"Simple C/C++ TBAA"}
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// CHECK: [[TBAA6]] = !{[[META4]], [[META4]], i64 0}
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//.
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