f6ff2cc7e0
lowerBuildVectorAsBroadcast will not broadcast splat constants in all cases, resulting in a lot of situations where a full width vector load that has failed to fold but is loading splat constant values could use a broadcast load instruction just as cheaply, and save constant pool space. This is an updated commit ofab4b924832after being reverted at78de45fd4a
91 lines
5.1 KiB
LLVM
91 lines
5.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+ssse3 | FileCheck %s --check-prefix=SSE
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+xop | FileCheck %s --check-prefix=XOP
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx2 | FileCheck %s --check-prefix=AVX2
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx512f,+avx512vl | FileCheck %s --check-prefix=AVX512F
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx512f,+avx512vl,+avx512bw | FileCheck %s --check-prefix=AVX512BW
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; RUN: llc < %s -mtriple=x86_64-pc-linux -mattr=+avx512f,+avx512vl,+avx512vbmi | FileCheck %s --check-prefix=AVX512VBMI
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define <32 x i8> @foo(ptr %x0) {
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; SSE-LABEL: foo:
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; SSE: # %bb.0:
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; SSE-NEXT: movdqu (%rdi), %xmm0
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; SSE-NEXT: movdqu 16(%rdi), %xmm2
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; SSE-NEXT: movdqu 32(%rdi), %xmm1
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; SSE-NEXT: movdqa %xmm2, %xmm3
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; SSE-NEXT: pshufb {{.*#+}} xmm3 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm3[0,2,3,5,6]
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; SSE-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,3,4,6,7,9,10,12,13,15],zero,zero,zero,zero,zero
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; SSE-NEXT: por %xmm3, %xmm0
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; SSE-NEXT: pshufb {{.*#+}} xmm2 = xmm2[8,9,11,12,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
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; SSE-NEXT: pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,xmm1[1,2,4,5,7,8,10,11,13,14]
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; SSE-NEXT: por %xmm2, %xmm1
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; SSE-NEXT: retq
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;
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; XOP-LABEL: foo:
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; XOP: # %bb.0:
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; XOP-NEXT: vmovdqu (%rdi), %xmm0
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; XOP-NEXT: vmovdqu 16(%rdi), %xmm1
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; XOP-NEXT: vmovdqu 32(%rdi), %xmm2
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; XOP-NEXT: vpperm {{.*#+}} xmm0 = xmm0[0,1,3,4,6,7,9,10,12,13,15],xmm1[0,2,3,5,6]
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; XOP-NEXT: vpperm {{.*#+}} xmm1 = xmm1[8,9,11,12,14,15],xmm2[1,2,4,5,7,8,10,11,13,14]
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; XOP-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
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; XOP-NEXT: retq
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;
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; AVX2-LABEL: foo:
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; AVX2: # %bb.0:
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; AVX2-NEXT: vmovdqu 32(%rdi), %xmm0
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; AVX2-NEXT: vmovdqu (%rdi), %ymm1
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; AVX2-NEXT: vmovdqu 16(%rdi), %xmm2
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; AVX2-NEXT: vpshufb {{.*#+}} xmm2 = xmm2[u,u,u,u,u,u,u,u,u,u,u,0,2,3,5,6]
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; AVX2-NEXT: vpshufb {{.*#+}} ymm1 = ymm1[0,1,3,4,6,7,9,10,12,13,15,u,u,u,u,u,24,25,27,28,30,31,u,u,u,u,u,u,u,u,u,u]
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; AVX2-NEXT: vbroadcasti128 {{.*#+}} ymm3 = [255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0]
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; AVX2-NEXT: # ymm3 = mem[0,1,0,1]
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; AVX2-NEXT: vpblendvb %ymm3, %ymm1, %ymm2, %ymm1
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; AVX2-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[u,u,u,u,u,u,1,2,4,5,7,8,10,11,13,14]
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; AVX2-NEXT: vinserti128 $1, %xmm0, %ymm0, %ymm0
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; AVX2-NEXT: vpblendw {{.*#+}} ymm0 = ymm1[0,1,2],ymm0[3,4,5,6,7],ymm1[8,9,10],ymm0[11,12,13,14,15]
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; AVX2-NEXT: vpblendd {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
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; AVX2-NEXT: retq
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;
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; AVX512F-LABEL: foo:
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; AVX512F: # %bb.0:
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; AVX512F-NEXT: vmovdqu (%rdi), %ymm0
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; AVX512F-NEXT: vmovdqu 32(%rdi), %xmm1
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; AVX512F-NEXT: vpshufb {{.*#+}} xmm1 = xmm1[u,u,u,u,u,u,1,2,4,5,7,8,10,11,13,14]
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; AVX512F-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm1
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; AVX512F-NEXT: vmovdqu 16(%rdi), %xmm2
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; AVX512F-NEXT: vpshufb {{.*#+}} ymm2 = zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,ymm2[0,2,3,5,6],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
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; AVX512F-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,3,4,6,7,9,10,12,13,15],zero,zero,zero,zero,zero,ymm0[24,25,27,28,30,31,u,u,u,u,u,u,u,u,u,u]
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; AVX512F-NEXT: vpor %ymm2, %ymm0, %ymm0
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; AVX512F-NEXT: vpblendw {{.*#+}} ymm1 = ymm0[0,1,2],ymm1[3,4,5,6,7],ymm0[8,9,10],ymm1[11,12,13,14,15]
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; AVX512F-NEXT: vpblendd {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7]
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; AVX512F-NEXT: retq
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;
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; AVX512BW-LABEL: foo:
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; AVX512BW: # %bb.0:
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; AVX512BW-NEXT: vmovdqu 32(%rdi), %xmm0
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; AVX512BW-NEXT: vmovdqu (%rdi), %ymm1
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; AVX512BW-NEXT: vmovdqu 16(%rdi), %xmm2
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; AVX512BW-NEXT: vpshufb {{.*#+}} xmm2 = xmm2[u,u,u,u,u,u,u,u,u,u,u,0,2,3,5,6]
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; AVX512BW-NEXT: vpshufb {{.*#+}} ymm1 = ymm1[0,1,3,4,6,7,9,10,12,13,15,u,u,u,u,u,24,25,27,28,30,31,u,u,u,u,u,u,u,u,u,u]
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; AVX512BW-NEXT: movl $63488, %eax # imm = 0xF800
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; AVX512BW-NEXT: kmovd %eax, %k1
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; AVX512BW-NEXT: vmovdqu8 %ymm2, %ymm1 {%k1}
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; AVX512BW-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[u,u,u,u,u,u,1,2,4,5,7,8,10,11,13,14]
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; AVX512BW-NEXT: vinserti128 $1, %xmm0, %ymm0, %ymm0
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; AVX512BW-NEXT: vpblendw {{.*#+}} ymm0 = ymm1[0,1,2],ymm0[3,4,5,6,7],ymm1[8,9,10],ymm0[11,12,13,14,15]
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; AVX512BW-NEXT: vpblendd {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
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; AVX512BW-NEXT: retq
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;
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; AVX512VBMI-LABEL: foo:
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; AVX512VBMI: # %bb.0:
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; AVX512VBMI-NEXT: vmovdqu (%rdi), %ymm1
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; AVX512VBMI-NEXT: vmovdqu 32(%rdi), %xmm2
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; AVX512VBMI-NEXT: vmovdqa {{.*#+}} ymm0 = [0,1,3,4,6,7,9,10,12,13,15,16,18,19,21,22,24,25,27,28,30,31,33,34,36,37,39,40,42,43,45,46]
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; AVX512VBMI-NEXT: vpermi2b %ymm2, %ymm1, %ymm0
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; AVX512VBMI-NEXT: retq
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%1 = load <48 x i8>, ptr %x0, align 1
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%2 = shufflevector <48 x i8> %1, <48 x i8> undef, <32 x i32> <i32 0, i32 1, i32 3, i32 4, i32 6, i32 7, i32 9, i32 10, i32 12, i32 13, i32 15, i32 16, i32 18, i32 19, i32 21, i32 22, i32 24, i32 25, i32 27, i32 28, i32 30, i32 31, i32 33, i32 34, i32 36, i32 37, i32 39, i32 40, i32 42, i32 43, i32 45, i32 46>
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ret <32 x i8> %2
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}
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