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Differential D121395

[HWASan] add shortgranule tests to use-after-scope.
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Authored by fmayer on Mar 10 2022, 11:04 AM.

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hctim
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rG3b4c59c15691: [HWASan] add shortgranule tests to use-after-scope.

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Unit TestsFailed

TimeTest
60,050 msx64 debian > libFuzzer.libFuzzer::large.test

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fmayer created this revision.Mar 10 2022, 11:04 AM
Herald added a project: Restricted Project. · View Herald TranscriptMar 10 2022, 11:04 AM
fmayer requested review of this revision.Mar 10 2022, 11:04 AM
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Harbormaster completed remote builds in B153605: Diff 414433.Mar 10 2022, 11:05 AM
fmayer added a reviewer: hctim.Mar 10 2022, 11:05 AM
fmayer added a parent revision: D121394: [HWASan] Update use-after-scope test to use ARM64..
fmayer added a child revision: D121393: [HWASan] respect lifetime ptr and size for UAS..Mar 10 2022, 11:46 AM
fmayer updated this revision to Diff 415587.Mar 15 2022, 2:23 PM

rebase

Harbormaster completed remote builds in B154428: Diff 415587.Mar 15 2022, 3:29 PM
hctim accepted this revision.Mar 16 2022, 10:28 AM
hctim added inline comments.
llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope.ll
2

nit:

; RUN: opt -passes=hwasan -hwasan-use-short-granules=1 -hwasan-generate-tags-with-calls \
; RUN:   -hwasan-use-after-scope=1 -S < %s | FileCheck %s --check-prefixes=SCOPE-SHORT
This revision is now accepted and ready to land.Mar 16 2022, 10:28 AM
hctim added inline comments.Mar 16 2022, 10:29 AM
llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope.ll
2

(looks like this was still on draft but you did it preemptively)

This revision was landed with ongoing or failed builds.Mar 16 2022, 10:43 AM
Closed by commit rG3b4c59c15691: [HWASan] add shortgranule tests to use-after-scope. (authored by fmayer). · Explain Why
This revision was automatically updated to reflect the committed changes.
fmayer added a commit: rG3b4c59c15691: [HWASan] add shortgranule tests to use-after-scope..

Revision Contents

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llvm/
test/
Instrumentation/
HWAddressSanitizer/
414 lines

Diff 415587

llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=hwasan \ ; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=hwasan \
hctimUnsubmitted
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nit:

; RUN: opt -passes=hwasan -hwasan-use-short-granules=1 -hwasan-generate-tags-with-calls \
; RUN:   -hwasan-use-after-scope=1 -S < %s | FileCheck %s --check-prefixes=SCOPE-SHORT
hctim: nit: ``` ; RUN: opt -passes=hwasan -hwasan-use-short-granules=1 -hwasan-generate-tags-with…
hctimUnsubmitted
Done
ReplyInline Actions

(looks like this was still on draft but you did it preemptively)

hctim: (looks like this was still on draft but you did it preemptively)
; RUN: -hwasan-use-after-scope=1 -hwasan-generate-tags-with-calls -S < %s | \ ; RUN: -hwasan-use-after-scope=1 -hwasan-generate-tags-with-calls -S < %s | \
; RUN: FileCheck %s --check-prefixes=X86-SCOPE ; RUN: FileCheck %s --check-prefixes=X86-SCOPE
; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=hwasan \ ; RUN: opt -mtriple=x86_64-unknown-linux-gnu -passes=hwasan \
; RUN: -hwasan-use-after-scope=0 -hwasan-generate-tags-with-calls -S < %s | \ ; RUN: -hwasan-use-after-scope=0 -hwasan-generate-tags-with-calls -S < %s | \
; RUN: FileCheck %s --check-prefixes=X86-NOSCOPE ; RUN: FileCheck %s --check-prefixes=X86-NOSCOPE
; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \ ; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \
; RUN: -hwasan-use-after-scope=1 -hwasan-generate-tags-with-calls -S < %s | \ ; RUN: -hwasan-use-after-scope=1 -hwasan-generate-tags-with-calls -S < %s | \
; RUN: FileCheck %s --check-prefixes=AARCH64-SCOPE ; RUN: FileCheck %s --check-prefixes=AARCH64-SCOPE
; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \ ; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \
; RUN: -hwasan-use-after-scope=0 -hwasan-generate-tags-with-calls -S < %s | \ ; RUN: -hwasan-use-after-scope=0 -hwasan-generate-tags-with-calls -S < %s | \
; RUN: FileCheck %s --check-prefixes=AARCH64-NOSCOPE ; RUN: FileCheck %s --check-prefixes=AARCH64-NOSCOPE
; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \
; RUN: -hwasan-use-after-scope=1 -hwasan-generate-tags-with-calls \
; RUN: -hwasan-use-short-granules=1 -S < %s | \
; RUN: FileCheck %s --check-prefixes=AARCH64-SHORT-SCOPE
; RUN: opt -mtriple=aarch64-unknown-linux-android29 -passes=hwasan \
; RUN: -hwasan-use-after-scope=0 -hwasan-generate-tags-with-calls \
; RUN: -hwasan-use-short-granules=1 -S < %s | \
; RUN: FileCheck %s --check-prefixes=AARCH64-SHORT-NOSCOPE
define dso_local i32 @standard_lifetime() local_unnamed_addr sanitize_hwaddress { define dso_local i32 @standard_lifetime() local_unnamed_addr sanitize_hwaddress {
; X86-SCOPE-LABEL: @standard_lifetime( ; X86-SCOPE-LABEL: @standard_lifetime(
; X86-SCOPE-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call i8* asm "", "=r,0"(i8* null) ; X86-SCOPE-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call i8* asm "", "=r,0"(i8* null)
; X86-SCOPE-NEXT: [[TMP1:%.*]] = alloca { i8, [15 x i8] }, align 16 ; X86-SCOPE-NEXT: [[TMP1:%.*]] = alloca { i8, [15 x i8] }, align 16
; X86-SCOPE-NEXT: [[TMP2:%.*]] = bitcast { i8, [15 x i8] }* [[TMP1]] to i8* ; X86-SCOPE-NEXT: [[TMP2:%.*]] = bitcast { i8, [15 x i8] }* [[TMP1]] to i8*
; X86-SCOPE-NEXT: [[TMP3:%.*]] = call i8 @__hwasan_generate_tag() ; X86-SCOPE-NEXT: [[TMP3:%.*]] = call i8 @__hwasan_generate_tag()
; X86-SCOPE-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i64 ; X86-SCOPE-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i64
▲ Show 20 Lines • Show All 126 Lines • ▼ Show 20 Lines
; AARCH64-NOSCOPE: 32: ; AARCH64-NOSCOPE: 32:
; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]]) ; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-NOSCOPE-NEXT: [[TMP33:%.*]] = ptrtoint i8* [[TMP20]] to i64 ; AARCH64-NOSCOPE-NEXT: [[TMP33:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-NOSCOPE-NEXT: [[TMP34:%.*]] = lshr i64 [[TMP33]], 4 ; AARCH64-NOSCOPE-NEXT: [[TMP34:%.*]] = lshr i64 [[TMP33]], 4
; AARCH64-NOSCOPE-NEXT: [[TMP35:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP34]] ; AARCH64-NOSCOPE-NEXT: [[TMP35:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP34]]
; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP35]], i8 0, i64 1, i1 false) ; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP35]], i8 0, i64 1, i1 false)
; AARCH64-NOSCOPE-NEXT: ret i32 0 ; AARCH64-NOSCOPE-NEXT: ret i32 0
; ;
; AARCH64-SHORT-SCOPE-LABEL: @standard_lifetime(
; AARCH64-SHORT-SCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-SCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-SCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-SCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-SCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-SCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-SCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-SCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-SCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: br label [[TMP26:%.*]]
; AARCH64-SHORT-SCOPE: 26:
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP27:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP28:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP29:%.*]] = lshr i64 [[TMP28]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP29]]
; AARCH64-SHORT-SCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP30]], i32 0
; AARCH64-SHORT-SCOPE-NEXT: store i8 1, i8* [[TMP31]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP32:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-SCOPE-NEXT: store i8 [[TMP27]], i8* [[TMP32]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP33:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP34:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP35:%.*]] = lshr i64 [[TMP34]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP36:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP35]]
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP36]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: br i1 [[TMP33]], label [[TMP37:%.*]], label [[TMP26]]
; AARCH64-SHORT-SCOPE: 37:
; AARCH64-SHORT-SCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: ret i32 0
;
; AARCH64-SHORT-NOSCOPE-LABEL: @standard_lifetime(
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-NOSCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: br label [[TMP32:%.*]]
; AARCH64-SHORT-NOSCOPE: 32:
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP33:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-NOSCOPE-NEXT: br i1 [[TMP33]], label [[TMP34:%.*]], label [[TMP32]]
; AARCH64-SHORT-NOSCOPE: 34:
; AARCH64-SHORT-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP35:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP36:%.*]] = lshr i64 [[TMP35]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP37:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP36]]
; AARCH64-SHORT-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP37]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-NOSCOPE-NEXT: ret i32 0
;
%1 = alloca i8, align 1 %1 = alloca i8, align 1
br label %2 br label %2
2: ; preds = %2, %0 2: ; preds = %2, %0
; We should tag the memory after the br (in the loop). ; We should tag the memory after the br (in the loop).
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1)
%3 = tail call i1 (...) @cond() #2 %3 = tail call i1 (...) @cond() #2
; We should tag the memory before the next br (before the jump back). ; We should tag the memory before the next br (before the jump back).
▲ Show 20 Lines • Show All 141 Lines • ▼ Show 20 Lines
; AARCH64-NOSCOPE: 32: ; AARCH64-NOSCOPE: 32:
; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]]) ; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-NOSCOPE-NEXT: [[TMP33:%.*]] = ptrtoint i8* [[TMP20]] to i64 ; AARCH64-NOSCOPE-NEXT: [[TMP33:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-NOSCOPE-NEXT: [[TMP34:%.*]] = lshr i64 [[TMP33]], 4 ; AARCH64-NOSCOPE-NEXT: [[TMP34:%.*]] = lshr i64 [[TMP33]], 4
; AARCH64-NOSCOPE-NEXT: [[TMP35:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP34]] ; AARCH64-NOSCOPE-NEXT: [[TMP35:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP34]]
; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP35]], i8 0, i64 1, i1 false) ; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP35]], i8 0, i64 1, i1 false)
; AARCH64-NOSCOPE-NEXT: ret i32 0 ; AARCH64-NOSCOPE-NEXT: ret i32 0
; ;
; AARCH64-SHORT-SCOPE-LABEL: @standard_lifetime_optnone(
; AARCH64-SHORT-SCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-SCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-SCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-SCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-SCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-SCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-SCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-SCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-SCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: br label [[TMP26:%.*]]
; AARCH64-SHORT-SCOPE: 26:
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP27:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP28:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP29:%.*]] = lshr i64 [[TMP28]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP29]]
; AARCH64-SHORT-SCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP30]], i32 0
; AARCH64-SHORT-SCOPE-NEXT: store i8 1, i8* [[TMP31]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP32:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-SCOPE-NEXT: store i8 [[TMP27]], i8* [[TMP32]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP33:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP34:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP35:%.*]] = lshr i64 [[TMP34]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP36:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP35]]
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP36]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: br i1 [[TMP33]], label [[TMP37:%.*]], label [[TMP26]]
; AARCH64-SHORT-SCOPE: 37:
; AARCH64-SHORT-SCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: ret i32 0
;
; AARCH64-SHORT-NOSCOPE-LABEL: @standard_lifetime_optnone(
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-NOSCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: br label [[TMP32:%.*]]
; AARCH64-SHORT-NOSCOPE: 32:
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP33:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-NOSCOPE-NEXT: br i1 [[TMP33]], label [[TMP34:%.*]], label [[TMP32]]
; AARCH64-SHORT-NOSCOPE: 34:
; AARCH64-SHORT-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP35:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP36:%.*]] = lshr i64 [[TMP35]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP37:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP36]]
; AARCH64-SHORT-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP37]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-NOSCOPE-NEXT: ret i32 0
;
%1 = alloca i8, align 1 %1 = alloca i8, align 1
br label %2 br label %2
2: ; preds = %2, %0 2: ; preds = %2, %0
; We should tag the memory after the br (in the loop). ; We should tag the memory after the br (in the loop).
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1)
%3 = tail call i1 (...) @cond() #2 %3 = tail call i1 (...) @cond() #2
; We should tag the memory before the next br (before the jump back). ; We should tag the memory before the next br (before the jump back).
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; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]]) ; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]]) ; AARCH64-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-NOSCOPE-NEXT: [[TMP30:%.*]] = ptrtoint i8* [[TMP20]] to i64 ; AARCH64-NOSCOPE-NEXT: [[TMP30:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-NOSCOPE-NEXT: [[TMP31:%.*]] = lshr i64 [[TMP30]], 4 ; AARCH64-NOSCOPE-NEXT: [[TMP31:%.*]] = lshr i64 [[TMP30]], 4
; AARCH64-NOSCOPE-NEXT: [[TMP32:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP31]] ; AARCH64-NOSCOPE-NEXT: [[TMP32:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP31]]
; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP32]], i8 0, i64 1, i1 false) ; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP32]], i8 0, i64 1, i1 false)
; AARCH64-NOSCOPE-NEXT: ret i32 0 ; AARCH64-NOSCOPE-NEXT: ret i32 0
; ;
; AARCH64-SHORT-SCOPE-LABEL: @multiple_lifetimes(
; AARCH64-SHORT-SCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-SCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-SCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-SCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-SCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-SCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-SCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-SCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-SCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-SCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-SCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-SCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-SCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP32:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP33:%.*]] = lshr i64 [[TMP32]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP34:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP33]]
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP34]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-SCOPE-NEXT: ret i32 0
;
; AARCH64-SHORT-NOSCOPE-LABEL: @multiple_lifetimes(
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-NOSCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP32:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP33:%.*]] = lshr i64 [[TMP32]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP34:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP33]]
; AARCH64-SHORT-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP34]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-NOSCOPE-NEXT: ret i32 0
;
%1 = alloca i8, align 1 %1 = alloca i8, align 1
; We erase lifetime markers if we insert instrumentation outside of the ; We erase lifetime markers if we insert instrumentation outside of the
; lifetime. ; lifetime.
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1)
call void @use(i8* nonnull %1) #2 call void @use(i8* nonnull %1) #2
call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %1)
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1)
call void @use(i8* nonnull %1) #2 call void @use(i8* nonnull %1) #2
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; AARCH64-NOSCOPE-NEXT: ret i32 0 ; AARCH64-NOSCOPE-NEXT: ret i32 0
; AARCH64-NOSCOPE: 35: ; AARCH64-NOSCOPE: 35:
; AARCH64-NOSCOPE-NEXT: [[TMP36:%.*]] = ptrtoint i8* [[TMP20]] to i64 ; AARCH64-NOSCOPE-NEXT: [[TMP36:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-NOSCOPE-NEXT: [[TMP37:%.*]] = lshr i64 [[TMP36]], 4 ; AARCH64-NOSCOPE-NEXT: [[TMP37:%.*]] = lshr i64 [[TMP36]], 4
; AARCH64-NOSCOPE-NEXT: [[TMP38:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP37]] ; AARCH64-NOSCOPE-NEXT: [[TMP38:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP37]]
; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP38]], i8 0, i64 1, i1 false) ; AARCH64-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP38]], i8 0, i64 1, i1 false)
; AARCH64-NOSCOPE-NEXT: ret i32 0 ; AARCH64-NOSCOPE-NEXT: ret i32 0
; ;
; AARCH64-SHORT-SCOPE-LABEL: @unreachable_exit(
; AARCH64-SHORT-SCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-SCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-SCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-SCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-SCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-SCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-SCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-SCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-SCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-SCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-SCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-SCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-SCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-SCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-SCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-SCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-SCOPE-NEXT: [[TMP32:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-SCOPE-NEXT: br i1 [[TMP32]], label [[TMP33:%.*]], label [[TMP37:%.*]]
; AARCH64-SHORT-SCOPE: 33:
; AARCH64-SHORT-SCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-SCOPE-NEXT: [[TMP34:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP35:%.*]] = lshr i64 [[TMP34]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP36:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP35]]
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP36]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-SCOPE-NEXT: ret i32 0
; AARCH64-SHORT-SCOPE: 37:
; AARCH64-SHORT-SCOPE-NEXT: [[TMP38:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-SCOPE-NEXT: [[TMP39:%.*]] = lshr i64 [[TMP38]], 4
; AARCH64-SHORT-SCOPE-NEXT: [[TMP40:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP39]]
; AARCH64-SHORT-SCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP40]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-SCOPE-NEXT: ret i32 0
;
; AARCH64-SHORT-NOSCOPE-LABEL: @unreachable_exit(
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP1:%.*]] = call i8* @llvm.thread.pointer()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP2:%.*]] = getelementptr i8, i8* [[TMP1]], i32 48
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP5:%.*]] = ashr i64 [[TMP4]], 3
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP6:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP7:%.*]] = call i8* @llvm.frameaddress.p0i8(i32 0)
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP8:%.*]] = ptrtoint i8* [[TMP7]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP9:%.*]] = shl i64 [[TMP8]], 44
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP10:%.*]] = inttoptr i64 [[TMP4]] to i64*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP11:%.*]] = or i64 [[TMP6]], [[TMP9]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP11]], i64* [[TMP10]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP12:%.*]] = ashr i64 [[TMP4]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 12
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP14:%.*]] = xor i64 [[TMP13]], -1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP15:%.*]] = add i64 [[TMP4]], 8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], [[TMP14]]
; AARCH64-SHORT-NOSCOPE-NEXT: store i64 [[TMP16]], i64* [[TMP3]], align 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP17:%.*]] = or i64 [[TMP4]], 4294967295
; AARCH64-SHORT-NOSCOPE-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP17]], 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP18:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP19:%.*]] = alloca { i8, [15 x i8] }, align 16
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP20:%.*]] = bitcast { i8, [15 x i8] }* [[TMP19]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP21:%.*]] = call i8 @__hwasan_generate_tag()
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP22:%.*]] = zext i8 [[TMP21]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP23:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP24:%.*]] = shl i64 [[TMP22]], 56
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP25:%.*]] = or i64 [[TMP23]], [[TMP24]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[ALLOCA_0_HWASAN:%.*]] = inttoptr i64 [[TMP25]] to i8*
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP26:%.*]] = trunc i64 [[TMP22]] to i8
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP27:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP29:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP28]]
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP30:%.*]] = getelementptr i8, i8* [[TMP29]], i32 0
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 1, i8* [[TMP30]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP31:%.*]] = getelementptr i8, i8* [[TMP20]], i32 15
; AARCH64-SHORT-NOSCOPE-NEXT: store i8 [[TMP26]], i8* [[TMP31]], align 1
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP32:%.*]] = tail call i1 (...) @cond()
; AARCH64-SHORT-NOSCOPE-NEXT: br i1 [[TMP32]], label [[TMP33:%.*]], label [[TMP37:%.*]]
; AARCH64-SHORT-NOSCOPE: 33:
; AARCH64-SHORT-NOSCOPE-NEXT: call void @use(i8* nonnull [[ALLOCA_0_HWASAN]])
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP34:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP35:%.*]] = lshr i64 [[TMP34]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP36:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP35]]
; AARCH64-SHORT-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP36]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-NOSCOPE-NEXT: ret i32 0
; AARCH64-SHORT-NOSCOPE: 37:
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP38:%.*]] = ptrtoint i8* [[TMP20]] to i64
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP39:%.*]] = lshr i64 [[TMP38]], 4
; AARCH64-SHORT-NOSCOPE-NEXT: [[TMP40:%.*]] = getelementptr i8, i8* [[TMP18]], i64 [[TMP39]]
; AARCH64-SHORT-NOSCOPE-NEXT: call void @llvm.memset.p0i8.i64(i8* align 1 [[TMP40]], i8 0, i64 1, i1 false)
; AARCH64-SHORT-NOSCOPE-NEXT: ret i32 0
;
%1 = alloca i8, align 1 %1 = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.start.p0i8(i64 1, i8* nonnull %1)
%2 = tail call i1 (...) @cond() #2 %2 = tail call i1 (...) @cond() #2
br i1 %2, label %3, label %4 br i1 %2, label %3, label %4
3: 3:
call void @use(i8* nonnull %1) #2 call void @use(i8* nonnull %1) #2
call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %1) call void @llvm.lifetime.end.p0i8(i64 1, i8* nonnull %1)
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