diff options
Diffstat (limited to 'test/Instrumentation/MemorySanitizer')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index a62b600..3228863 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -1,4 +1,5 @@ ; RUN: opt < %s -msan -S | FileCheck %s +; RUN: opt < %s -msan -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK-ORIGINS %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" ; Check the presence of __msan_init @@ -7,6 +8,31 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3 ; Check the presence and the linkage type of __msan_track_origins ; CHECK: @__msan_track_origins = weak_odr constant i32 0 +; Check instrumentation of stores +define void @Store(i32* nocapture %p, i32 %x) nounwind uwtable { +entry: + store i32 %x, i32* %p, align 4 + ret void +} + +; CHECK: @Store +; CHECK: load {{.*}} @__msan_param_tls +; CHECK: store +; CHECK: store +; CHECK: ret void +; CHECK-ORIGINS: @Store +; CHECK-ORIGINS: load {{.*}} @__msan_param_tls +; CHECK-ORIGINS: store +; CHECK-ORIGINS: icmp +; CHECK-ORIGINS: br i1 +; CHECK-ORIGINS: <label> +; CHECK-ORIGINS: store +; CHECK-ORIGINS: br label +; CHECK-ORIGINS: <label> +; CHECK-ORIGINS: store +; CHECK-ORIGINS: ret void + + ; load followed by cmp: check that we load the shadow and call __msan_warning. define void @LoadAndCmp(i32* nocapture %a) nounwind uwtable { entry: |