[msan] Fix vector pack intrinsic handling.

[oota-llvm.git] / test / Instrumentation / MemorySanitizer / vector_pack.ll

diff --git a/test/Instrumentation/MemorySanitizer/vector_pack.ll b/test/Instrumentation/MemorySanitizer/vector_pack.ll
index 9c168788a562024545f2eadef190f2073b4c8522..31c0c62980ec6877e768506bc96876b8469be6e3 100644 (file)
--- 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