diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-512-v32.ll | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 5ae3be7d018..dd75a07a01a 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -14080,6 +14080,10 @@ static SDValue lowerV32I16VectorShuffle(const SDLoc &DL, ArrayRef<int> Mask, Zeroable, Subtarget, DAG)) return Blend; + if (SDValue PSHUFB = lowerVectorShuffleWithPSHUFB( + DL, MVT::v32i16, Mask, V1, V2, Zeroable, Subtarget, DAG)) + return PSHUFB; + return lowerVectorShuffleWithPERMV(DL, MVT::v32i16, Mask, V1, V2, DAG); } diff --git a/llvm/test/CodeGen/X86/vector-shuffle-512-v32.ll b/llvm/test/CodeGen/X86/vector-shuffle-512-v32.ll index 6530a74d0e0..d4fb0fd52a7 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-512-v32.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-512-v32.ll @@ -353,3 +353,18 @@ define <8 x i16> @pr32967(<32 x i16> %v) { %shuffle = shufflevector <32 x i16> %v, <32 x i16> undef, <8 x i32> <i32 1,i32 5,i32 9,i32 13,i32 17,i32 21,i32 25,i32 29> ret <8 x i16> %shuffle } + +define <32 x i16> @shuffle_v32i16_07_zz_05_zz_03_zz_01_zz_15_zz_13_zz_11_zz_09_zz_23_zz_21_zz_19_zz_17_zz_31_zz_29_zz_27_zz_25_zz(<32 x i16> %a) { +; KNL-LABEL: shuffle_v32i16_07_zz_05_zz_03_zz_01_zz_15_zz_13_zz_11_zz_09_zz_23_zz_21_zz_19_zz_17_zz_31_zz_29_zz_27_zz_25_zz: +; KNL: ## %bb.0: +; KNL-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[14,15],zero,zero,ymm0[10,11],zero,zero,ymm0[6,7],zero,zero,ymm0[2,3],zero,zero,ymm0[30,31],zero,zero,ymm0[26,27],zero,zero,ymm0[22,23],zero,zero,ymm0[18,19],zero,zero +; KNL-NEXT: vpshufb {{.*#+}} ymm1 = ymm1[14,15],zero,zero,ymm1[10,11],zero,zero,ymm1[6,7],zero,zero,ymm1[2,3],zero,zero,ymm1[30,31],zero,zero,ymm1[26,27],zero,zero,ymm1[22,23],zero,zero,ymm1[20,21],zero,zero +; KNL-NEXT: retq +; +; SKX-LABEL: shuffle_v32i16_07_zz_05_zz_03_zz_01_zz_15_zz_13_zz_11_zz_09_zz_23_zz_21_zz_19_zz_17_zz_31_zz_29_zz_27_zz_25_zz: +; SKX: ## %bb.0: +; SKX-NEXT: vpshufb {{.*#+}} zmm0 = zmm0[14,15],zero,zero,zmm0[10,11],zero,zero,zmm0[6,7],zero,zero,zmm0[2,3],zero,zero,zmm0[30,31],zero,zero,zmm0[26,27],zero,zero,zmm0[22,23],zero,zero,zmm0[18,19],zero,zero,zmm0[46,47],zero,zero,zmm0[42,43],zero,zero,zmm0[38,39],zero,zero,zmm0[34,35],zero,zero,zmm0[62,63],zero,zero,zmm0[58,59],zero,zero,zmm0[54,55],zero,zero,zmm0[52,53],zero,zero +; SKX-NEXT: retq + %shuffle = shufflevector <32 x i16> zeroinitializer, <32 x i16> %a, <32 x i32> <i32 39, i32 0, i32 37, i32 0, i32 35, i32 0, i32 33, i32 0, i32 47, i32 0, i32 45, i32 0, i32 43, i32 0, i32 41, i32 0, i32 55, i32 0, i32 53, i32 0, i32 51, i32 0, i32 49, i32 0, i32 63, i32 0, i32 61, i32 0, i32 59, i32 0, i32 58, i32 0> + ret <32 x i16> %shuffle +} |
