derek.holloway
7502bf64a4
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362 lines
23 KiB
LLVM
362 lines
23 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --global-value-regex "![0-9]+" --version 2
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; Test -hwasan-with-ifunc flag.
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;
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; RUN: opt -passes=hwasan -S < %s | FileCheck %s
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; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=tls -hwasan-record-stack-history=instr < %s | FileCheck %s --check-prefixes=NOIFUNC-TLS-HISTORY
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; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=tls -hwasan-record-stack-history=none < %s | FileCheck %s --check-prefixes=NOIFUNC-TLS-NOHISTORY
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; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=global -hwasan-with-frame-record=0 < %s | FileCheck %s --check-prefixes=NOIFUNC-NOTLS
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; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=ifunc -hwasan-with-frame-record=0 < %s | FileCheck %s --check-prefixes=IFUNC-NOTLS
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; RUN: opt -passes=hwasan -S -mtriple=aarch64-fuchsia < %s | FileCheck %s --check-prefixes=FUCHSIA
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; RUN: opt -passes=hwasan -S -mtriple=aarch64-fuchsia -hwasan-record-stack-history=libcall < %s | FileCheck %s --check-prefixes=FUCHSIA-LIBCALL
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-android22"
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define i32 @test_load(ptr %a) sanitize_hwaddress {
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; First instrumentation in the function must be to load the dynamic shadow
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; address into a local variable.
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; "store i64" is only used to update stack history (this input IR intentionally does not use any i64)
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; W/o any allocas, the history is not updated, even if it is enabled explicitly with -hwasan-record-stack-history=1
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; CHECK-LABEL: define i32 @test_load
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; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; CHECK-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)
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; CHECK-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; CHECK-NEXT: ret i32 [[X]]
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;
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; NOIFUNC-TLS-HISTORY-LABEL: define i32 @test_load
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; NOIFUNC-TLS-HISTORY-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; NOIFUNC-TLS-HISTORY-NEXT: entry:
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; NOIFUNC-TLS-HISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)
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; NOIFUNC-TLS-HISTORY-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; NOIFUNC-TLS-HISTORY-NEXT: ret i32 [[X]]
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;
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; NOIFUNC-TLS-NOHISTORY-LABEL: define i32 @test_load
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; NOIFUNC-TLS-NOHISTORY-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; NOIFUNC-TLS-NOHISTORY-NEXT: entry:
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; NOIFUNC-TLS-NOHISTORY-NEXT: ret i32 [[X]]
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;
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; NOIFUNC-NOTLS-LABEL: define i32 @test_load
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; NOIFUNC-NOTLS-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; NOIFUNC-NOTLS-NEXT: entry:
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; NOIFUNC-NOTLS-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; NOIFUNC-NOTLS-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[TMP0]], ptr [[A]], i32 2)
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; NOIFUNC-NOTLS-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; NOIFUNC-NOTLS-NEXT: ret i32 [[X]]
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;
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; IFUNC-NOTLS-LABEL: define i32 @test_load
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; IFUNC-NOTLS-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; IFUNC-NOTLS-NEXT: entry:
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; IFUNC-NOTLS-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; IFUNC-NOTLS-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)
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; IFUNC-NOTLS-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; IFUNC-NOTLS-NEXT: ret i32 [[X]]
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;
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; FUCHSIA-LABEL: define i32 @test_load
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; FUCHSIA-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; FUCHSIA-NEXT: entry:
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; FUCHSIA-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; FUCHSIA-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP0]], ptr [[A]], i32 2)
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; FUCHSIA-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; FUCHSIA-NEXT: ret i32 [[X]]
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;
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; FUCHSIA-LIBCALL-LABEL: define i32 @test_load
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; FUCHSIA-LIBCALL-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {
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; FUCHSIA-LIBCALL-NEXT: entry:
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; FUCHSIA-LIBCALL-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; FUCHSIA-LIBCALL-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules(ptr [[TMP0]], ptr [[A]], i32 2)
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; FUCHSIA-LIBCALL-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 4
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; FUCHSIA-LIBCALL-NEXT: ret i32 [[X]]
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;
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entry:
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%x = load i32, ptr %a, align 4
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ret i32 %x
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}
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declare void @use(ptr %p)
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define void @test_alloca() sanitize_hwaddress {
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; First instrumentation in the function must be to load the dynamic shadow
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; address into a local variable.
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; When watching stack history, all code paths attempt to get PC and SP and mix them together.
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; CHECK-LABEL: define void @test_alloca
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; CHECK-SAME: () #[[ATTR0]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call ptr @llvm.thread.pointer.p0()
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; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 48
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; CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = ashr i64 [[TMP2]], 3
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; CHECK-NEXT: [[TMP4:%.*]] = call i64 @llvm.read_register.i64(metadata [[META2:![0-9]+]])
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; CHECK-NEXT: [[TMP5:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; CHECK-NEXT: [[TMP6:%.*]] = ptrtoint ptr [[TMP5]] to i64
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; CHECK-NEXT: [[TMP7:%.*]] = shl i64 [[TMP6]], 44
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; CHECK-NEXT: [[TMP8:%.*]] = or i64 [[TMP4]], [[TMP7]]
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; CHECK-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: store i64 [[TMP8]], ptr [[TMP9]], align 8
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; CHECK-NEXT: [[TMP10:%.*]] = ashr i64 [[TMP2]], 56
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; CHECK-NEXT: [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 12
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; CHECK-NEXT: [[TMP12:%.*]] = xor i64 [[TMP11]], -1
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; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[TMP2]], 8
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; CHECK-NEXT: [[TMP14:%.*]] = and i64 [[TMP13]], [[TMP12]]
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; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP1]], align 8
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; CHECK-NEXT: [[TMP15:%.*]] = or i64 [[TMP2]], 4294967295
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; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP15]], 1
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; CHECK-NEXT: [[TMP16:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr
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; CHECK-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP6]], 56
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; CHECK-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; CHECK-NEXT: [[TMP17:%.*]] = xor i64 [[TMP3]], 0
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; CHECK-NEXT: [[TMP18:%.*]] = ptrtoint ptr [[X]] to i64
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; CHECK-NEXT: [[TMP19:%.*]] = and i64 [[TMP18]], 72057594037927935
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; CHECK-NEXT: [[TMP20:%.*]] = shl i64 [[TMP17]], 56
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; CHECK-NEXT: [[TMP21:%.*]] = or i64 [[TMP19]], [[TMP20]]
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; CHECK-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP21]] to ptr
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; CHECK-NEXT: [[TMP22:%.*]] = trunc i64 [[TMP17]] to i8
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; CHECK-NEXT: [[TMP23:%.*]] = ptrtoint ptr [[X]] to i64
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; CHECK-NEXT: [[TMP24:%.*]] = and i64 [[TMP23]], 72057594037927935
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; CHECK-NEXT: [[TMP25:%.*]] = lshr i64 [[TMP24]], 4
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; CHECK-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP25]]
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; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP26]], i8 [[TMP22]], i64 1, i1 false)
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; CHECK-NEXT: call void @use(ptr [[X_HWASAN]])
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; CHECK-NEXT: [[TMP27:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; CHECK-NEXT: [[TMP28:%.*]] = ptrtoint ptr [[X]] to i64
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; CHECK-NEXT: [[TMP29:%.*]] = and i64 [[TMP28]], 72057594037927935
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; CHECK-NEXT: [[TMP30:%.*]] = lshr i64 [[TMP29]], 4
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; CHECK-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP30]]
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; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP31]], i8 [[TMP27]], i64 1, i1 false)
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; CHECK-NEXT: ret void
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;
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; NOIFUNC-TLS-HISTORY-LABEL: define void @test_alloca
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; NOIFUNC-TLS-HISTORY-SAME: () #[[ATTR0]] {
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; NOIFUNC-TLS-HISTORY-NEXT: entry:
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP0:%.*]] = call ptr @llvm.thread.pointer.p0()
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 48
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP3:%.*]] = ashr i64 [[TMP2]], 3
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP4:%.*]] = call i64 @llvm.read_register.i64(metadata [[META2:![0-9]+]])
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP5:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP6:%.*]] = ptrtoint ptr [[TMP5]] to i64
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP7:%.*]] = shl i64 [[TMP6]], 44
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP8:%.*]] = or i64 [[TMP4]], [[TMP7]]
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; NOIFUNC-TLS-HISTORY-NEXT: store i64 [[TMP8]], ptr [[TMP9]], align 8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP10:%.*]] = ashr i64 [[TMP2]], 56
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 12
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP12:%.*]] = xor i64 [[TMP11]], -1
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP13:%.*]] = add i64 [[TMP2]], 8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP14:%.*]] = and i64 [[TMP13]], [[TMP12]]
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; NOIFUNC-TLS-HISTORY-NEXT: store i64 [[TMP14]], ptr [[TMP1]], align 8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP15:%.*]] = or i64 [[TMP2]], 4294967295
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; NOIFUNC-TLS-HISTORY-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP15]], 1
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP16:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr
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; NOIFUNC-TLS-HISTORY-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP6]], 56
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; NOIFUNC-TLS-HISTORY-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP17:%.*]] = xor i64 [[TMP3]], 0
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP18:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP19:%.*]] = and i64 [[TMP18]], 72057594037927935
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP20:%.*]] = shl i64 [[TMP17]], 56
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP21:%.*]] = or i64 [[TMP19]], [[TMP20]]
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; NOIFUNC-TLS-HISTORY-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP21]] to ptr
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP22:%.*]] = trunc i64 [[TMP17]] to i8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP23:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP24:%.*]] = and i64 [[TMP23]], 72057594037927935
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP25:%.*]] = lshr i64 [[TMP24]], 4
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP25]]
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; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP26]], i8 [[TMP22]], i64 1, i1 false)
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; NOIFUNC-TLS-HISTORY-NEXT: call void @use(ptr [[X_HWASAN]])
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP27:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP28:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP29:%.*]] = and i64 [[TMP28]], 72057594037927935
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP30:%.*]] = lshr i64 [[TMP29]], 4
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; NOIFUNC-TLS-HISTORY-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP30]]
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; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP31]], i8 [[TMP27]], i64 1, i1 false)
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; NOIFUNC-TLS-HISTORY-NEXT: ret void
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;
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; NOIFUNC-TLS-NOHISTORY-LABEL: define void @test_alloca
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; NOIFUNC-TLS-NOHISTORY-SAME: () #[[ATTR0]] {
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; NOIFUNC-TLS-NOHISTORY-NEXT: entry:
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]]
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]]
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; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP12]], i8 [[TMP8]], i64 1, i1 false)
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; NOIFUNC-TLS-NOHISTORY-NEXT: call void @use(ptr [[X_HWASAN]])
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP13:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP14:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP15:%.*]] = and i64 [[TMP14]], 72057594037927935
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP16:%.*]] = lshr i64 [[TMP15]], 4
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; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP16]]
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; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP17]], i8 [[TMP13]], i64 1, i1 false)
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; NOIFUNC-TLS-NOHISTORY-NEXT: ret void
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;
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; NOIFUNC-NOTLS-LABEL: define void @test_alloca
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; NOIFUNC-NOTLS-SAME: () #[[ATTR0]] {
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; NOIFUNC-NOTLS-NEXT: entry:
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; NOIFUNC-NOTLS-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; NOIFUNC-NOTLS-NEXT: [[TMP1:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; NOIFUNC-NOTLS-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64
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; NOIFUNC-NOTLS-NEXT: [[TMP3:%.*]] = lshr i64 [[TMP2]], 20
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; NOIFUNC-NOTLS-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP2]], [[TMP3]]
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; NOIFUNC-NOTLS-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP2]], 56
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; NOIFUNC-NOTLS-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; NOIFUNC-NOTLS-NEXT: [[TMP4:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0
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; NOIFUNC-NOTLS-NEXT: [[TMP5:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-NOTLS-NEXT: [[TMP6:%.*]] = and i64 [[TMP5]], 72057594037927935
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; NOIFUNC-NOTLS-NEXT: [[TMP7:%.*]] = shl i64 [[TMP4]], 56
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; NOIFUNC-NOTLS-NEXT: [[TMP8:%.*]] = or i64 [[TMP6]], [[TMP7]]
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; NOIFUNC-NOTLS-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP8]] to ptr
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; NOIFUNC-NOTLS-NEXT: [[TMP9:%.*]] = trunc i64 [[TMP4]] to i8
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; NOIFUNC-NOTLS-NEXT: [[TMP10:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-NOTLS-NEXT: [[TMP11:%.*]] = and i64 [[TMP10]], 72057594037927935
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; NOIFUNC-NOTLS-NEXT: [[TMP12:%.*]] = lshr i64 [[TMP11]], 4
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; NOIFUNC-NOTLS-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP12]]
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; NOIFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP13]], i8 [[TMP9]], i64 1, i1 false)
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; NOIFUNC-NOTLS-NEXT: call void @use(ptr [[X_HWASAN]])
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; NOIFUNC-NOTLS-NEXT: [[TMP14:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; NOIFUNC-NOTLS-NEXT: [[TMP15:%.*]] = ptrtoint ptr [[X]] to i64
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; NOIFUNC-NOTLS-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], 72057594037927935
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; NOIFUNC-NOTLS-NEXT: [[TMP17:%.*]] = lshr i64 [[TMP16]], 4
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; NOIFUNC-NOTLS-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP17]]
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; NOIFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP18]], i8 [[TMP14]], i64 1, i1 false)
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; NOIFUNC-NOTLS-NEXT: ret void
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;
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; IFUNC-NOTLS-LABEL: define void @test_alloca
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; IFUNC-NOTLS-SAME: () #[[ATTR0]] {
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; IFUNC-NOTLS-NEXT: entry:
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; IFUNC-NOTLS-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)
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; IFUNC-NOTLS-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; IFUNC-NOTLS-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64
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; IFUNC-NOTLS-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20
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; IFUNC-NOTLS-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]
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; IFUNC-NOTLS-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56
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; IFUNC-NOTLS-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; IFUNC-NOTLS-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0
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; IFUNC-NOTLS-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64
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; IFUNC-NOTLS-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935
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; IFUNC-NOTLS-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56
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; IFUNC-NOTLS-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]]
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; IFUNC-NOTLS-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr
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; IFUNC-NOTLS-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8
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; IFUNC-NOTLS-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64
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; IFUNC-NOTLS-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935
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; IFUNC-NOTLS-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4
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; IFUNC-NOTLS-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]]
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; IFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP12]], i8 [[TMP8]], i64 1, i1 false)
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; IFUNC-NOTLS-NEXT: call void @use(ptr [[X_HWASAN]])
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; IFUNC-NOTLS-NEXT: [[TMP13:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; IFUNC-NOTLS-NEXT: [[TMP14:%.*]] = ptrtoint ptr [[X]] to i64
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; IFUNC-NOTLS-NEXT: [[TMP15:%.*]] = and i64 [[TMP14]], 72057594037927935
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; IFUNC-NOTLS-NEXT: [[TMP16:%.*]] = lshr i64 [[TMP15]], 4
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; IFUNC-NOTLS-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP16]]
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; IFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP17]], i8 [[TMP13]], i64 1, i1 false)
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; IFUNC-NOTLS-NEXT: ret void
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;
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; FUCHSIA-LABEL: define void @test_alloca
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; FUCHSIA-SAME: () #[[ATTR0]] personality ptr @__hwasan_personality_thunk {
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; FUCHSIA-NEXT: entry:
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; FUCHSIA-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; FUCHSIA-NEXT: [[TMP1:%.*]] = load i64, ptr @__hwasan_tls, align 8
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; FUCHSIA-NEXT: [[TMP2:%.*]] = ashr i64 [[TMP1]], 3
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; FUCHSIA-NEXT: [[TMP3:%.*]] = call i64 @llvm.read_register.i64(metadata [[META2:![0-9]+]])
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; FUCHSIA-NEXT: [[TMP4:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; FUCHSIA-NEXT: [[TMP5:%.*]] = ptrtoint ptr [[TMP4]] to i64
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; FUCHSIA-NEXT: [[TMP6:%.*]] = shl i64 [[TMP5]], 44
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; FUCHSIA-NEXT: [[TMP7:%.*]] = or i64 [[TMP3]], [[TMP6]]
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; FUCHSIA-NEXT: [[TMP8:%.*]] = inttoptr i64 [[TMP1]] to ptr
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; FUCHSIA-NEXT: store i64 [[TMP7]], ptr [[TMP8]], align 8
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; FUCHSIA-NEXT: [[TMP9:%.*]] = ashr i64 [[TMP1]], 56
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; FUCHSIA-NEXT: [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 12
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; FUCHSIA-NEXT: [[TMP11:%.*]] = xor i64 [[TMP10]], -1
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; FUCHSIA-NEXT: [[TMP12:%.*]] = add i64 [[TMP1]], 8
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; FUCHSIA-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], [[TMP11]]
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; FUCHSIA-NEXT: store i64 [[TMP13]], ptr @__hwasan_tls, align 8
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; FUCHSIA-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP5]], 56
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; FUCHSIA-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; FUCHSIA-NEXT: [[TMP14:%.*]] = xor i64 [[TMP2]], 0
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; FUCHSIA-NEXT: [[TMP15:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], 72057594037927935
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; FUCHSIA-NEXT: [[TMP17:%.*]] = shl i64 [[TMP14]], 56
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; FUCHSIA-NEXT: [[TMP18:%.*]] = or i64 [[TMP16]], [[TMP17]]
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; FUCHSIA-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP18]] to ptr
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; FUCHSIA-NEXT: [[TMP19:%.*]] = trunc i64 [[TMP14]] to i8
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; FUCHSIA-NEXT: [[TMP20:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-NEXT: [[TMP21:%.*]] = and i64 [[TMP20]], 72057594037927935
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; FUCHSIA-NEXT: [[TMP22:%.*]] = lshr i64 [[TMP21]], 4
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; FUCHSIA-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP22]]
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; FUCHSIA-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[TMP23]], i32 0
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; FUCHSIA-NEXT: store i8 4, ptr [[TMP24]], align 1
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; FUCHSIA-NEXT: [[TMP25:%.*]] = getelementptr i8, ptr [[X]], i32 15
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; FUCHSIA-NEXT: store i8 [[TMP19]], ptr [[TMP25]], align 1
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; FUCHSIA-NEXT: call void @use(ptr [[X_HWASAN]])
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; FUCHSIA-NEXT: [[TMP26:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; FUCHSIA-NEXT: [[TMP27:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-NEXT: [[TMP28:%.*]] = and i64 [[TMP27]], 72057594037927935
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; FUCHSIA-NEXT: [[TMP29:%.*]] = lshr i64 [[TMP28]], 4
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; FUCHSIA-NEXT: [[TMP30:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP29]]
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; FUCHSIA-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP30]], i8 [[TMP26]], i64 1, i1 false)
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; FUCHSIA-NEXT: ret void
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;
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; FUCHSIA-LIBCALL-LABEL: define void @test_alloca
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; FUCHSIA-LIBCALL-SAME: () #[[ATTR0]] personality ptr @__hwasan_personality_thunk {
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; FUCHSIA-LIBCALL-NEXT: entry:
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; FUCHSIA-LIBCALL-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8
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; FUCHSIA-LIBCALL-NEXT: [[TMP1:%.*]] = call i64 @llvm.read_register.i64(metadata [[META2:![0-9]+]])
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; FUCHSIA-LIBCALL-NEXT: [[TMP2:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)
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; FUCHSIA-LIBCALL-NEXT: [[TMP3:%.*]] = ptrtoint ptr [[TMP2]] to i64
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; FUCHSIA-LIBCALL-NEXT: [[TMP4:%.*]] = shl i64 [[TMP3]], 44
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; FUCHSIA-LIBCALL-NEXT: [[TMP5:%.*]] = or i64 [[TMP1]], [[TMP4]]
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; FUCHSIA-LIBCALL-NEXT: call void @__hwasan_add_frame_record(i64 [[TMP5]])
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; FUCHSIA-LIBCALL-NEXT: [[TMP6:%.*]] = lshr i64 [[TMP3]], 20
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; FUCHSIA-LIBCALL-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP3]], [[TMP6]]
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; FUCHSIA-LIBCALL-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP3]], 56
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; FUCHSIA-LIBCALL-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16
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; FUCHSIA-LIBCALL-NEXT: [[TMP7:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0
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; FUCHSIA-LIBCALL-NEXT: [[TMP8:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-LIBCALL-NEXT: [[TMP9:%.*]] = and i64 [[TMP8]], 72057594037927935
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; FUCHSIA-LIBCALL-NEXT: [[TMP10:%.*]] = shl i64 [[TMP7]], 56
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; FUCHSIA-LIBCALL-NEXT: [[TMP11:%.*]] = or i64 [[TMP9]], [[TMP10]]
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; FUCHSIA-LIBCALL-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP11]] to ptr
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; FUCHSIA-LIBCALL-NEXT: [[TMP12:%.*]] = trunc i64 [[TMP7]] to i8
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; FUCHSIA-LIBCALL-NEXT: [[TMP13:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-LIBCALL-NEXT: [[TMP14:%.*]] = and i64 [[TMP13]], 72057594037927935
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; FUCHSIA-LIBCALL-NEXT: [[TMP15:%.*]] = lshr i64 [[TMP14]], 4
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; FUCHSIA-LIBCALL-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP15]]
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; FUCHSIA-LIBCALL-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[TMP16]], i32 0
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; FUCHSIA-LIBCALL-NEXT: store i8 4, ptr [[TMP17]], align 1
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; FUCHSIA-LIBCALL-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[X]], i32 15
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; FUCHSIA-LIBCALL-NEXT: store i8 [[TMP12]], ptr [[TMP18]], align 1
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; FUCHSIA-LIBCALL-NEXT: call void @use(ptr [[X_HWASAN]])
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; FUCHSIA-LIBCALL-NEXT: [[TMP19:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8
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; FUCHSIA-LIBCALL-NEXT: [[TMP20:%.*]] = ptrtoint ptr [[X]] to i64
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; FUCHSIA-LIBCALL-NEXT: [[TMP21:%.*]] = and i64 [[TMP20]], 72057594037927935
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; FUCHSIA-LIBCALL-NEXT: [[TMP22:%.*]] = lshr i64 [[TMP21]], 4
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; FUCHSIA-LIBCALL-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP22]]
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; FUCHSIA-LIBCALL-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP23]], i8 [[TMP19]], i64 1, i1 false)
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; FUCHSIA-LIBCALL-NEXT: ret void
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;
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entry:
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%x = alloca i32, align 4
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call void @use(ptr %x)
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ret void
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}
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