diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 7 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll | 18 |
2 files changed, 22 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 29b438e9bff..9a2bb8c4eb2 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -10889,9 +10889,10 @@ static SDValue lowerV8I16GeneralSingleInputVectorShuffle( "We need to be changing the number of flipped inputs!"); int PSHUFHalfMask[] = {0, 1, 2, 3}; std::swap(PSHUFHalfMask[FixFreeIdx % 4], PSHUFHalfMask[FixIdx % 4]); - V = DAG.getNode(FixIdx < 4 ? X86ISD::PSHUFLW : X86ISD::PSHUFHW, DL, - MVT::v8i16, V, - getV4X86ShuffleImm8ForMask(PSHUFHalfMask, DL, DAG)); + V = DAG.getNode( + FixIdx < 4 ? X86ISD::PSHUFLW : X86ISD::PSHUFHW, DL, + MVT::getVectorVT(MVT::i16, V.getValueSizeInBits() / 16), V, + getV4X86ShuffleImm8ForMask(PSHUFHalfMask, DL, DAG)); for (int &M : Mask) if (M >= 0 && M == FixIdx) diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll index fad5586dd77..d34728df29b 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v16.ll @@ -1559,6 +1559,24 @@ define <16 x i16> @shuffle_v16i16_17_18_19_20_21_22_23_zz_25_26_27_28_29_30_31_z ret <16 x i16> %shuffle } +define <16 x i16> @shuffle_v16i16_06_07_01_02_07_00_04_05_14_15_09_10_15_08_12_13(<16 x i16> %a) { +; AVX1-LABEL: shuffle_v16i16_06_07_01_02_07_00_04_05_14_15_09_10_15_08_12_13: +; AVX1: # BB#0: +; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1 +; AVX1-NEXT: vmovdqa {{.*#+}} xmm2 = [12,13,14,15,2,3,4,5,14,15,0,1,8,9,10,11] +; AVX1-NEXT: vpshufb %xmm2, %xmm1, %xmm1 +; AVX1-NEXT: vpshufb %xmm2, %xmm0, %xmm0 +; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 +; AVX1-NEXT: retq +; +; AVX2OR512VL-LABEL: shuffle_v16i16_06_07_01_02_07_00_04_05_14_15_09_10_15_08_12_13: +; AVX2OR512VL: # BB#0: +; AVX2OR512VL-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[12,13,14,15,2,3,4,5,14,15,0,1,8,9,10,11,28,29,30,31,18,19,20,21,30,31,16,17,24,25,26,27] +; AVX2OR512VL-NEXT: retq + %1 = shufflevector <16 x i16> %a, <16 x i16> undef, <16 x i32> <i32 6, i32 7, i32 1, i32 2, i32 7, i32 0, i32 4, i32 5, i32 14, i32 15, i32 9, i32 10, i32 15, i32 8, i32 12, i32 13> + ret <16 x i16> %1 +} + ; ; Shuffle to logical bit shifts ; |
