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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-06-09 08:40:16 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-06-09 08:40:16 +0000 |
| commit | 544c895d71f0b00503f040c32212fcc0958de8cf (patch) | |
| tree | 640a41d85487293c80ad5a7a00ed5551e4cbed9c /test/Instrumentation | |
| parent | 6959336f6e32a9ab3d9dd245cb7d7e30ccd1e57d (diff) | |
| download | llvm-544c895d71f0b00503f040c32212fcc0958de8cf.tar.gz llvm-544c895d71f0b00503f040c32212fcc0958de8cf.tar.bz2 llvm-544c895d71f0b00503f040c32212fcc0958de8cf.tar.xz | |
[msan] Fix vector pack intrinsic handling.
This fixes a crash on MMX intrinsics, as well as a corner case in handling of
all unsigned pack intrinsics.
PR19953.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210454 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Instrumentation')
| -rw-r--r-- | test/Instrumentation/MemorySanitizer/vector_pack.ll | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/test/Instrumentation/MemorySanitizer/vector_pack.ll b/test/Instrumentation/MemorySanitizer/vector_pack.ll index 9c168788a5..31c0c62980 100644 --- a/test/Instrumentation/MemorySanitizer/vector_pack.ll +++ b/test/Instrumentation/MemorySanitizer/vector_pack.ll @@ -5,6 +5,7 @@ target triple = "x86_64-unknown-linux-gnu" declare <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32>, <4 x i32>) nounwind readnone declare <32 x i8> @llvm.x86.avx2.packuswb(<16 x i16> %a, <16 x i16> %b) nounwind readnone +declare x86_mmx @llvm.x86.mmx.packuswb(x86_mmx, x86_mmx) nounwind readnone define <8 x i16> @Test_packssdw_128(<4 x i32> %a, <4 x i32> %b) sanitize_memory { entry: @@ -33,6 +34,27 @@ entry: ; CHECK-DAG: sext <16 x i1> {{.*}} to <16 x i16> ; CHECK-DAG: icmp ne <16 x i16> {{.*}}, zeroinitializer ; CHECK-DAG: sext <16 x i1> {{.*}} to <16 x i16> -; CHECK-DAG: call <32 x i8> @llvm.x86.avx2.packuswb( +; CHECK-DAG: call <32 x i8> @llvm.x86.avx2.packsswb( ; CHECK-DAG: call <32 x i8> @llvm.x86.avx2.packuswb( ; CHECK: ret <32 x i8> + + +define x86_mmx @Test_mmx_packuswb(x86_mmx %a, x86_mmx %b) sanitize_memory { +entry: + %c = tail call x86_mmx @llvm.x86.mmx.packuswb(x86_mmx %a, x86_mmx %b) nounwind + ret x86_mmx %c +} + +; CHECK-LABEL: @Test_mmx_packuswb( +; CHECK-DAG: bitcast i64 {{.*}} to <4 x i16> +; CHECK-DAG: bitcast i64 {{.*}} to <4 x i16> +; CHECK-DAG: icmp ne <4 x i16> {{.*}}, zeroinitializer +; CHECK-DAG: sext <4 x i1> {{.*}} to <4 x i16> +; CHECK-DAG: icmp ne <4 x i16> {{.*}}, zeroinitializer +; CHECK-DAG: sext <4 x i1> {{.*}} to <4 x i16> +; CHECK-DAG: bitcast <4 x i16> {{.*}} to x86_mmx +; CHECK-DAG: bitcast <4 x i16> {{.*}} to x86_mmx +; CHECK-DAG: call x86_mmx @llvm.x86.mmx.packsswb({{.*}} +; CHECK-DAG: bitcast x86_mmx {{.*}} to i64 +; CHECK-DAG: call x86_mmx @llvm.x86.mmx.packuswb({{.*}} +; CHECK: ret x86_mmx |