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| author | Jakub Staszak <kubastaszak@gmail.com> | 2012-11-26 19:24:31 +0000 |
|---|---|---|
| committer | Jakub Staszak <kubastaszak@gmail.com> | 2012-11-26 19:24:31 +0000 |
| commit | d642baf4be7cfed68fb8e7f326970f5797a2bdd4 (patch) | |
| tree | 0b8dad33450b099ac48886691f07c841f98f3e71 | |
| parent | ed9e442cf098663ce213cb16778b44be466b441f (diff) | |
Normalize splat 256bit vectors with 8 elements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168600 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 2 | ||||
| -rw-r--r-- | test/CodeGen/X86/avx-splat.ll | 14 |
2 files changed, 8 insertions, 8 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 276859b055..f08477cc9c 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -6689,7 +6689,7 @@ X86TargetLowering::NormalizeVectorShuffle(SDValue Op, SelectionDAG &DAG) const { // Handle splats by matching through known shuffle masks if ((Size == 128 && NumElem <= 4) || - (Size == 256 && NumElem < 8)) + (Size == 256 && NumElem <= 8)) return SDValue(); // All remaning splats are promoted to target supported vector shuffles. diff --git a/test/CodeGen/X86/avx-splat.ll b/test/CodeGen/X86/avx-splat.ll index 94bcddd975..5ad75236e1 100644 --- a/test/CodeGen/X86/avx-splat.ll +++ b/test/CodeGen/X86/avx-splat.ll @@ -47,9 +47,9 @@ entry: ; shuffle (scalar_to_vector (load (ptr + 4))), undef, <0, 0, 0, 0> ; To: ; shuffle (vload ptr)), undef, <1, 1, 1, 1> -; CHECK: vmovaps +; CHECK: vmovdqa +; CHECK-NEXT: vpshufd $-1 ; CHECK-NEXT: vinsertf128 $1 -; CHECK-NEXT: vpermilps $-1 define <8 x float> @funcE() nounwind { allocas: %udx495 = alloca [18 x [18 x float]], align 32 @@ -75,8 +75,8 @@ __load_and_broadcast_32.exit1249: ; preds = %load.i1247, %for_ex ret <8 x float> %load_broadcast12281250 } -; CHECK: vinsertf128 $1 -; CHECK-NEXT: vpermilps $0 +; CHECK: vpshufd $0 +; CHECK-NEXT: vinsertf128 $1 define <8 x float> @funcF(i32 %val) nounwind { %ret6 = insertelement <8 x i32> undef, i32 %val, i32 6 %ret7 = insertelement <8 x i32> %ret6, i32 %val, i32 7 @@ -84,8 +84,8 @@ define <8 x float> @funcF(i32 %val) nounwind { ret <8 x float> %tmp } -; CHECK: vinsertf128 $1 -; CHECK-NEXT: vpermilps $0 +; CHECK: vpermilps $0 +; CHECK-NEXT: vinsertf128 $1 define <8 x float> @funcG(<8 x float> %a) nounwind uwtable readnone ssp { entry: %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0> @@ -93,8 +93,8 @@ entry: } ; CHECK: vextractf128 $1 -; CHECK-NEXT: vinsertf128 $1 ; CHECK-NEXT: vpermilps $85 +; CHECK-NEXT: vinsertf128 $1 define <8 x float> @funcH(<8 x float> %a) nounwind uwtable readnone ssp { entry: %shuffle = shufflevector <8 x float> %a, <8 x float> undef, <8 x i32> <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5> |