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Diffstat (limited to 'test/CodeGen/X86/pr14161.ll')
| -rw-r--r-- | test/CodeGen/X86/pr14161.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr14161.ll b/test/CodeGen/X86/pr14161.ll new file mode 100644 index 0000000000..ff4532eac3 --- /dev/null +++ b/test/CodeGen/X86/pr14161.ll @@ -0,0 +1,38 @@ +; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s + +declare <4 x i32> @llvm.x86.sse41.pminud(<4 x i32>, <4 x i32>) + +define <2 x i16> @good(<4 x i32>*, <4 x i8>*) { +entry: + %2 = load <4 x i32>* %0, align 16 + %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) + %4 = extractelement <4 x i32> %3, i32 0 + %5 = extractelement <4 x i32> %3, i32 1 + %6 = extractelement <4 x i32> %3, i32 2 + %7 = extractelement <4 x i32> %3, i32 3 + %8 = bitcast i32 %4 to <2 x i16> + %9 = bitcast i32 %5 to <2 x i16> + ret <2 x i16> %8 +; CHECK: good +; CHECK: pminud +; CHECK-NEXT: pmovzxwq +; CHECK: ret +} + +define <2 x i16> @bad(<4 x i32>*, <4 x i8>*) { +entry: + %2 = load <4 x i32>* %0, align 16 + %3 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %2, <4 x i32> <i32 127, i32 127, i32 127, i32 127>) + %4 = extractelement <4 x i32> %3, i32 0 + %5 = extractelement <4 x i32> %3, i32 1 + %6 = extractelement <4 x i32> %3, i32 2 + %7 = extractelement <4 x i32> %3, i32 3 + %8 = bitcast i32 %4 to <2 x i16> + %9 = bitcast i32 %5 to <2 x i16> + ret <2 x i16> %9 +; CHECK: bad +; CHECK: pminud +; CHECK: pextrd +; CHECK: pmovzxwq +; CHECK: ret +} |