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author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-11-21 11:37:16 +0000 |
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committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2013-11-21 11:37:16 +0000 |
commit | ae89383daa64d4bce7facda54ba5a04a12b801a8 (patch) | |
tree | 147db55f4a4cb35df35db447ab3233d87c1d23fc /test/Instrumentation | |
parent | 32bcb7c0a818126b4701eb79616356407603c88b (diff) | |
download | llvm-ae89383daa64d4bce7facda54ba5a04a12b801a8.tar.gz llvm-ae89383daa64d4bce7facda54ba5a04a12b801a8.tar.bz2 llvm-ae89383daa64d4bce7facda54ba5a04a12b801a8.tar.xz |
Use multiple filecheck prefixes in msan instrumentation tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195342 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
-rw-r--r-- | test/Instrumentation/MemorySanitizer/check_access_address.ll | 28 | ||||
-rw-r--r-- | test/Instrumentation/MemorySanitizer/msan_basic.ll | 101 |
2 files changed, 57 insertions, 72 deletions
diff --git a/test/Instrumentation/MemorySanitizer/check_access_address.ll b/test/Instrumentation/MemorySanitizer/check_access_address.ll new file mode 100644 index 0000000000..566022600e --- /dev/null +++ b/test/Instrumentation/MemorySanitizer/check_access_address.ll @@ -0,0 +1,28 @@ +; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %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" +target triple = "x86_64-unknown-linux-gnu" + + +; Test byval argument shadow alignment + +define <2 x i64> @ByValArgumentShadowLargeAlignment(<2 x i64>* byval %p) sanitize_memory { +entry: + %x = load <2 x i64>* %p + ret <2 x i64> %x +} + +; CHECK: @ByValArgumentShadowLargeAlignment +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 16, i32 8, i1 false) +; CHECK: ret <2 x i64> + + +define i16 @ByValArgumentShadowSmallAlignment(i16* byval %p) sanitize_memory { +entry: + %x = load i16* %p + ret i16 %x +} + +; CHECK: @ByValArgumentShadowSmallAlignment +; CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 2, i32 2, i1 false) +; CHECK: ret i16 diff --git a/test/Instrumentation/MemorySanitizer/msan_basic.ll b/test/Instrumentation/MemorySanitizer/msan_basic.ll index 72a992dd59..fceb3f0075 100644 --- a/test/Instrumentation/MemorySanitizer/msan_basic.ll +++ b/test/Instrumentation/MemorySanitizer/msan_basic.ll @@ -1,6 +1,5 @@ ; RUN: opt < %s -msan -msan-check-access-address=0 -S | FileCheck %s -; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK-ORIGINS %s -; RUN: opt < %s -msan -msan-check-access-address=1 -S | FileCheck %s -check-prefix=CHECK-AA +; RUN: opt < %s -msan -msan-check-access-address=0 -msan-track-origins=1 -S | FileCheck -check-prefix=CHECK -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" target triple = "x86_64-unknown-linux-gnu" @@ -32,20 +31,16 @@ entry: ; CHECK: @Store ; CHECK: load {{.*}} @__msan_param_tls +; CHECK-ORIGINS: load {{.*}} @__msan_param_origin_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 +; CHECK: store +; CHECK: ret void ; Check instrumentation of aligned stores @@ -60,20 +55,16 @@ entry: ; CHECK: @AlignedStore ; CHECK: load {{.*}} @__msan_param_tls +; CHECK-ORIGINS: load {{.*}} @__msan_param_origin_tls ; CHECK: store {{.*}} align 32 -; CHECK: store {{.*}} align 32 -; CHECK: ret void -; CHECK-ORIGINS: @AlignedStore -; CHECK-ORIGINS: load {{.*}} @__msan_param_tls -; CHECK-ORIGINS: store {{.*}} align 32 ; CHECK-ORIGINS: icmp ; CHECK-ORIGINS: br i1 ; CHECK-ORIGINS: <label> ; CHECK-ORIGINS: store {{.*}} align 32 ; CHECK-ORIGINS: br label ; CHECK-ORIGINS: <label> -; CHECK-ORIGINS: store {{.*}} align 32 -; CHECK-ORIGINS: ret void +; CHECK: store {{.*}} align 32 +; CHECK: ret void ; load followed by cmp: check that we load the shadow and call __msan_warning. @@ -251,10 +242,9 @@ declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, ; Check that we propagate shadow for "select" -define i32 @Select(i32 %a, i32 %b, i32 %c) nounwind uwtable readnone sanitize_memory { +define i32 @Select(i32 %a, i32 %b, i1 %c) nounwind uwtable readnone sanitize_memory { entry: - %tobool = icmp ne i32 %c, 0 - %cond = select i1 %tobool, i32 %a, i32 %b + %cond = select i1 %c, i32 %a, i32 %b ret i32 %cond } @@ -263,6 +253,8 @@ entry: ; CHECK-NEXT: sext i1 {{.*}} to i32 ; CHECK-NEXT: or i32 ; CHECK-NEXT: select +; CHECK-ORIGINS: select +; CHECK-ORIGINS: select ; CHECK: ret i32 @@ -280,14 +272,12 @@ entry: ; CHECK: select <8 x i1> ; CHECK-NEXT: sext <8 x i1> {{.*}} to <8 x i16> ; CHECK-NEXT: or <8 x i16> -; CHECK-NEXT: select <8 x i1> -; CHECK: ret <8 x i16> - -; CHECK-ORIGINS: @SelectVector ; CHECK-ORIGINS: bitcast <8 x i1> {{.*}} to i8 -; CHECK-ORIGINS: icmp ne i8 +; CHECK-ORIGINS: icmp ne i8 {{.*}}, 0 ; CHECK-ORIGINS: select i1 -; CHECK-ORIGINS: ret <8 x i16> +; CHECK: select <8 x i1> +; CHECK: ret <8 x i16> + ; Check that we propagate origin for "select" with scalar condition and vector @@ -318,6 +308,7 @@ entry: ; CHECK: @SelectStruct ; CHECK: select i1 {{.*}}, { i64, i64 } ; CHECK-NEXT: select i1 {{.*}}, { i64, i64 } { i64 -1, i64 -1 }, { i64, i64 } +; CHECK-ORIGINS: select i1 ; CHECK-NEXT: select i1 {{.*}}, { i64, i64 } ; CHECK: ret { i64, i64 } @@ -330,9 +321,10 @@ entry: ; CHECK: @IntToPtr ; CHECK: load i64*{{.*}}__msan_param_tls +; CHECK-ORIGINS-NEXT: load i32*{{.*}}__msan_param_origin_tls ; CHECK-NEXT: inttoptr ; CHECK-NEXT: store i64{{.*}}__msan_retval_tls -; CHECK: ret i8 +; CHECK: ret i8* define i8* @IntToPtr_ZExt(i16 %x) nounwind uwtable readnone sanitize_memory { @@ -342,9 +334,11 @@ entry: } ; CHECK: @IntToPtr_ZExt +; CHECK: load i16*{{.*}}__msan_param_tls ; CHECK: zext ; CHECK-NEXT: inttoptr -; CHECK: ret i8 +; CHECK-NEXT: store i64{{.*}}__msan_retval_tls +; CHECK: ret i8* ; Check that we insert exactly one check on udiv @@ -474,13 +468,8 @@ define i32 @ShadowLoadAlignmentSmall() nounwind uwtable sanitize_memory { ; CHECK: @ShadowLoadAlignmentSmall ; CHECK: load volatile i32* {{.*}} align 2 ; CHECK: load i32* {{.*}} align 2 -; CHECK: ret i32 - -; CHECK-ORIGINS: @ShadowLoadAlignmentSmall -; CHECK-ORIGINS: load volatile i32* {{.*}} align 2 -; CHECK-ORIGINS: load i32* {{.*}} align 2 ; CHECK-ORIGINS: load i32* {{.*}} align 4 -; CHECK-ORIGINS: ret i32 +; CHECK: ret i32 ; Test vector manipulation instructions. @@ -567,17 +556,13 @@ declare <16 x i8> @llvm.x86.sse3.ldu.dq(i8* %p) nounwind ; CHECK: @LoadIntrinsic ; CHECK: load <16 x i8>* {{.*}} align 1 +; CHECK-ORIGINS: [[ORIGIN:%[01-9a-z]+]] = load i32* {{.*}} ; CHECK-NOT: br ; CHECK-NOT: = or ; CHECK: call <16 x i8> @llvm.x86.sse3.ldu.dq ; CHECK: store <16 x i8> {{.*}} @__msan_retval_tls -; CHECK: ret <16 x i8> - -; CHECK-ORIGINS: @LoadIntrinsic -; CHECK-ORIGINS: [[ORIGIN:%[01-9a-z]+]] = load i32* {{.*}} -; CHECK-ORIGINS: call <16 x i8> @llvm.x86.sse3.ldu.dq ; CHECK-ORIGINS: store i32 {{.*}}[[ORIGIN]], i32* @__msan_retval_origin_tls -; CHECK-ORIGINS: ret <16 x i8> +; CHECK: ret <16 x i8> ; Simple NoMem intrinsic @@ -593,21 +578,17 @@ declare <8 x i16> @llvm.x86.sse2.padds.w(<8 x i16> %a, <8 x i16> %b) nounwind ; CHECK: @Paddsw128 ; CHECK-NEXT: load <8 x i16>* {{.*}} @__msan_param_tls -; CHECK-NEXT: load <8 x i16>* {{.*}} @__msan_param_tls -; CHECK-NEXT: = or <8 x i16> -; CHECK-NEXT: call <8 x i16> @llvm.x86.sse2.padds.w -; CHECK-NEXT: store <8 x i16> {{.*}} @__msan_retval_tls -; CHECK-NEXT: ret <8 x i16> - -; CHECK-ORIGINS: @Paddsw128 ; CHECK-ORIGINS: load i32* {{.*}} @__msan_param_origin_tls +; CHECK-NEXT: load <8 x i16>* {{.*}} @__msan_param_tls ; CHECK-ORIGINS: load i32* {{.*}} @__msan_param_origin_tls +; CHECK-NEXT: = or <8 x i16> ; CHECK-ORIGINS: = bitcast <8 x i16> {{.*}} to i128 ; CHECK-ORIGINS-NEXT: = icmp ne i128 {{.*}}, 0 ; CHECK-ORIGINS-NEXT: = select i1 {{.*}}, i32 {{.*}}, i32 -; CHECK-ORIGINS: call <8 x i16> @llvm.x86.sse2.padds.w +; CHECK-NEXT: call <8 x i16> @llvm.x86.sse2.padds.w +; CHECK-NEXT: store <8 x i16> {{.*}} @__msan_retval_tls ; CHECK-ORIGINS: store i32 {{.*}} @__msan_retval_origin_tls -; CHECK-ORIGINS: ret <8 x i16> +; CHECK-NEXT: ret <8 x i16> ; Test handling of vectors of pointers. @@ -752,30 +733,6 @@ entry: ; CHECK: ret <2 x i64> -; Test byval argument shadow alignment - -define <2 x i64> @ByValArgumentShadowLargeAlignment(<2 x i64>* byval %p) sanitize_memory { -entry: - %x = load <2 x i64>* %p - ret <2 x i64> %x -} - -; CHECK-AA: @ByValArgumentShadowLargeAlignment -; CHECK-AA: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 16, i32 8, i1 false) -; CHECK-AA: ret <2 x i64> - - -define i16 @ByValArgumentShadowSmallAlignment(i16* byval %p) sanitize_memory { -entry: - %x = load i16* %p - ret i16 %x -} - -; CHECK-AA: @ByValArgumentShadowSmallAlignment -; CHECK-AA: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 2, i32 2, i1 false) -; CHECK-AA: ret i16 - - ; Test origin propagation for insertvalue define { i64, i32 } @make_pair_64_32(i64 %x, i32 %y) sanitize_memory { |