[llvm] r369996 - Add PhaseOrdering/lifetime-sanitizer.ll tests

[Vitaly Buka via llvm-commits]

Author: vitalybuka
Date: Mon Aug 26 17:18:28 2019
New Revision: 369996

URL: http://llvm.org/viewvc/llvm-project?rev=369996&view=rev
Log:
Add PhaseOrdering/lifetime-sanitizer.ll tests

Reviewers: lebedev.ri

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66761

Added:
    llvm/trunk/test/Transforms/PhaseOrdering/lifetime-sanitizer.ll

Added: llvm/trunk/test/Transforms/PhaseOrdering/lifetime-sanitizer.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/PhaseOrdering/lifetime-sanitizer.ll?rev=369996&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/PhaseOrdering/lifetime-sanitizer.ll (added)
+++ llvm/trunk/test/Transforms/PhaseOrdering/lifetime-sanitizer.ll Mon Aug 26 17:18:28 2019
@@ -0,0 +1,71 @@
+; RUN: opt < %s -O0 -S | FileCheck %s
+; RUN: opt < %s -O1 -S | FileCheck %s
+; RUN: opt < %s -O2 -S | FileCheck %s
+; RUN: opt < %s -O3 -S | FileCheck %s
+; RUN: opt < %s -passes='default<O0>' -S | FileCheck %s
+; RUN: opt < %s -passes='default<O1>' -S | FileCheck %s
+; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s
+; RUN: opt < %s -passes='default<O3>' -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
+}
+
+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
+}
+
+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
+}