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llvm-project/llvm/test/Transforms/InstCombine/lifetime-sanitizer.ll

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Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
; RUN: opt < %s -instcombine -S | FileCheck %s
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)
declare void @foo(i8* nocapture)
define void @asan() sanitize_address {
entry:
; CHECK-LABEL: @asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(i8* %text) ; Keep alloca alive
ret void
}
define void @hwasan() sanitize_hwaddress {
entry:
; CHECK-LABEL: @hwasan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(i8* %text) ; Keep alloca alive
ret void
}
msan, codegen, instcombine: Keep more lifetime markers used for msan Reviewers: eugenis Subscribers: hiraditya, cfe-commits, #sanitizers, llvm-commits Tags: #clang, #sanitizers, #llvm Differential Revision: https://reviews.llvm.org/D66695 llvm-svn: 369979
2019-08-27 06:15:50 +08:00
define void @msan() sanitize_memory {
entry:
; CHECK-LABEL: @msan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK: call void @llvm.lifetime.start
; CHECK-NEXT: call void @llvm.lifetime.end
call void @foo(i8* %text) ; Keep alloca alive
ret void
}
Revert "Temporarily Revert "Add basic loop fusion pass."" The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
2019-04-17 12:52:47 +08:00
define void @no_asan() {
entry:
; CHECK-LABEL: @no_asan(
%text = alloca i8, align 1
call void @llvm.lifetime.start.p0i8(i64 1, i8* %text)
call void @llvm.lifetime.end.p0i8(i64 1, i8* %text)
; CHECK-NO: call void @llvm.lifetime
call void @foo(i8* %text) ; Keep alloca alive
ret void
}