1 ; Verify that calls with !nosanitize are not instrumented by MSan.
2 ; RUN: opt < %s -S -passes=msan 2>&1 | FileCheck %s
3 ; RUN: opt < %s -msan -S | FileCheck %s
4 ; RUN: opt < %s -msan-track-origins=1 -S -passes=msan 2>&1 | FileCheck %s
5 ; RUN: opt < %s -msan -msan-track-origins=1 -S | FileCheck %s
6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
7 target triple = "x86_64-unknown-linux-gnu"
9 declare void @bar(i32 %x)
12 call void @bar(i32 7), !nosanitize !{}
16 ; CHECK-LABEL: define void @foo
17 ; CHECK-NOT: store {{.*}} @__msan_param_tls
18 ; CHECK: call void @bar
22 @__sancov_gen_ = private global [1 x i8] zeroinitializer, section "__sancov_cntrs", align 1
23 define void @sancov() sanitize_memory {
25 %0 = load i8, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__sancov_gen_, i64 0, i64 0), !nosanitize !{}
27 store i8 %1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__sancov_gen_, i64 0, i64 0), !nosanitize !{}
31 ; CHECK-LABEL: define void @sancov
33 ; CHECK-NOT: 87960930222080
37 define void @load_store() sanitize_memory {
39 %x = alloca i32, align 4, !nosanitize !{}
40 store i32 4, i32* %x, align 4, !nosanitize !{}
41 %0 = load i32, i32* %x, align 4, !nosanitize !{}
42 %add = add nsw i32 %0, %0
43 store i32 %add, i32* %x, align 4, !nosanitize !{}
47 ; CHECK-LABEL: define void @load_store
49 ; CHECK-NOT: 87960930222080