diff options
| -rw-r--r-- | llvm/test/CodeGen/X86/combine-vec-shuffle-3.ll | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/X86/combine-vec-shuffle-3.ll b/llvm/test/CodeGen/X86/combine-vec-shuffle-3.ll index c2cff517d4e..bd2d34ca189 100644 --- a/llvm/test/CodeGen/X86/combine-vec-shuffle-3.ll +++ b/llvm/test/CodeGen/X86/combine-vec-shuffle-3.ll @@ -273,19 +273,14 @@ define <4 x i8> @test2c(<4 x i8>* %a, <4 x i8>* %b) { define <4 x i8> @test3c(<4 x i8>* %a, <4 x i8>* %b) { %A = load <4 x i8>* %a %B = load <4 x i8>* %b - %1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 0, i32 1, i32 5, i32 5> + %1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 2, i32 3, i32 5, i32 5> %2 = shufflevector <4 x i8> %1, <4 x i8> %B, <4 x i32> <i32 6, i32 7, i32 0, i32 1> ret <4 x i8> %2 } -; FIXME: this should be lowered as a single movhlps. However, the backend -; wrongly thinks that shuffle mask [6,7,2,3] is not legal. Therefore, we end up -; with a sub-optimal sequence of 'shufps+palignr'. - ; CHECK-LABEL: test3c ; Mask: [6,7,2,3] -; CHECK: shufps $84 -; CHECK: palignr $8 -; CHECK: ret +; CHECK: movhlps +; CHECK-NEXT: ret define <4 x i8> @test4c(<4 x i8>* %a, <4 x i8>* %b) { %A = load <4 x i8>* %a |
