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3377ecdd30
The VBROADCAST combines and SimplifyDemandedVectorElts improvements mean that we now more consistently use shorter (128-bit) X86vzload input operands. Follow up to D58053 llvm-svn: 354346
115 lines
4.7 KiB
LLVM
115 lines
4.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefixes=X86,X86_AVX256
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx2 | FileCheck %s --check-prefixes=X64,X64_AVX256
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; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=avx512f | FileCheck %s --check-prefixes=X86,X86_AVX512
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=avx512f | FileCheck %s --check-prefixes=X64,X64_AVX512
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define <8 x float> @insert_subvector_256(i16 %x0, i16 %x1, <8 x float> %v) nounwind {
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; X86-LABEL: insert_subvector_256:
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; X86: # %bb.0:
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; X86-NEXT: vmovd {{.*#+}} xmm1 = mem[0],zero,zero,zero
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; X86-NEXT: vpinsrw $1, {{[0-9]+}}(%esp), %xmm1, %xmm1
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; X86-NEXT: vpbroadcastd %xmm1, %xmm1
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; X86-NEXT: vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2,3,4,5,6,7]
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; X86-NEXT: retl
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;
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; X64-LABEL: insert_subvector_256:
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; X64: # %bb.0:
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; X64-NEXT: vmovd %edi, %xmm1
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; X64-NEXT: vpinsrw $1, %esi, %xmm1, %xmm1
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; X64-NEXT: vpbroadcastd %xmm1, %xmm1
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; X64-NEXT: vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2,3,4,5,6,7]
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; X64-NEXT: retq
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%ins1 = insertelement <2 x i16> undef, i16 %x0, i32 0
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%ins2 = insertelement <2 x i16> %ins1, i16 %x1, i32 1
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%bc = bitcast <2 x i16> %ins2 to float
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%ins3 = insertelement <8 x float> %v, float %bc, i32 1
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ret <8 x float> %ins3
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}
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define <8 x i64> @insert_subvector_512(i32 %x0, i32 %x1, <8 x i64> %v) nounwind {
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; X86_AVX256-LABEL: insert_subvector_512:
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; X86_AVX256: # %bb.0:
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; X86_AVX256-NEXT: pushl %ebp
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; X86_AVX256-NEXT: movl %esp, %ebp
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; X86_AVX256-NEXT: andl $-8, %esp
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; X86_AVX256-NEXT: subl $8, %esp
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; X86_AVX256-NEXT: vmovsd {{.*#+}} xmm2 = mem[0],zero
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; X86_AVX256-NEXT: vmovlps %xmm2, (%esp)
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; X86_AVX256-NEXT: vextracti128 $1, %ymm0, %xmm2
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; X86_AVX256-NEXT: vpinsrd $0, (%esp), %xmm2, %xmm2
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; X86_AVX256-NEXT: vpinsrd $1, {{[0-9]+}}(%esp), %xmm2, %xmm2
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; X86_AVX256-NEXT: vinserti128 $1, %xmm2, %ymm0, %ymm0
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; X86_AVX256-NEXT: movl %ebp, %esp
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; X86_AVX256-NEXT: popl %ebp
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; X86_AVX256-NEXT: retl
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;
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; X64_AVX256-LABEL: insert_subvector_512:
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; X64_AVX256: # %bb.0:
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; X64_AVX256-NEXT: vmovd %edi, %xmm2
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; X64_AVX256-NEXT: vpinsrd $1, %esi, %xmm2, %xmm2
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; X64_AVX256-NEXT: vmovq %xmm2, %rax
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; X64_AVX256-NEXT: vextracti128 $1, %ymm0, %xmm2
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; X64_AVX256-NEXT: vpinsrq $0, %rax, %xmm2, %xmm2
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; X64_AVX256-NEXT: vinserti128 $1, %xmm2, %ymm0, %ymm0
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; X64_AVX256-NEXT: retq
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;
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; X86_AVX512-LABEL: insert_subvector_512:
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; X86_AVX512: # %bb.0:
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; X86_AVX512-NEXT: vmovq {{.*#+}} xmm1 = mem[0],zero
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; X86_AVX512-NEXT: vmovdqa64 {{.*#+}} zmm2 = [0,0,1,0,8,0,3,0,4,0,5,0,6,0,7,0]
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; X86_AVX512-NEXT: vpermt2q %zmm1, %zmm2, %zmm0
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; X86_AVX512-NEXT: retl
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;
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; X64_AVX512-LABEL: insert_subvector_512:
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; X64_AVX512: # %bb.0:
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; X64_AVX512-NEXT: vmovd %edi, %xmm1
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; X64_AVX512-NEXT: vpinsrd $1, %esi, %xmm1, %xmm1
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; X64_AVX512-NEXT: vmovdqa64 {{.*#+}} zmm2 = [0,1,8,3,4,5,6,7]
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; X64_AVX512-NEXT: vpermt2q %zmm1, %zmm2, %zmm0
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; X64_AVX512-NEXT: retq
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%ins1 = insertelement <2 x i32> undef, i32 %x0, i32 0
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%ins2 = insertelement <2 x i32> %ins1, i32 %x1, i32 1
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%bc = bitcast <2 x i32> %ins2 to i64
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%ins3 = insertelement <8 x i64> %v, i64 %bc, i32 2
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ret <8 x i64> %ins3
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}
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; PR34716 - https://bugs.llvm.org/show_bug.cgi?id=34716
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; Special case: if we're inserting into an undef vector, we can optimize more.
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define <8 x i64> @insert_subvector_into_undef(i32 %x0, i32 %x1) nounwind {
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; X86_AVX256-LABEL: insert_subvector_into_undef:
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; X86_AVX256: # %bb.0:
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; X86_AVX256-NEXT: vbroadcastsd {{[0-9]+}}(%esp), %ymm0
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; X86_AVX256-NEXT: vmovaps %ymm0, %ymm1
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; X86_AVX256-NEXT: retl
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;
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; X64_AVX256-LABEL: insert_subvector_into_undef:
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; X64_AVX256: # %bb.0:
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; X64_AVX256-NEXT: vmovd %edi, %xmm0
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; X64_AVX256-NEXT: vpinsrd $1, %esi, %xmm0, %xmm0
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; X64_AVX256-NEXT: vpbroadcastq %xmm0, %ymm0
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; X64_AVX256-NEXT: vmovdqa %ymm0, %ymm1
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; X64_AVX256-NEXT: retq
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;
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; X86_AVX512-LABEL: insert_subvector_into_undef:
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; X86_AVX512: # %bb.0:
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; X86_AVX512-NEXT: vbroadcastsd {{[0-9]+}}(%esp), %zmm0
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; X86_AVX512-NEXT: retl
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;
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; X64_AVX512-LABEL: insert_subvector_into_undef:
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; X64_AVX512: # %bb.0:
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; X64_AVX512-NEXT: vmovd %edi, %xmm0
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; X64_AVX512-NEXT: vpinsrd $1, %esi, %xmm0, %xmm0
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; X64_AVX512-NEXT: vpbroadcastq %xmm0, %zmm0
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; X64_AVX512-NEXT: retq
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%ins1 = insertelement <2 x i32> undef, i32 %x0, i32 0
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%ins2 = insertelement <2 x i32> %ins1, i32 %x1, i32 1
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%bc = bitcast <2 x i32> %ins2 to i64
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%ins3 = insertelement <8 x i64> undef, i64 %bc, i32 0
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%splat = shufflevector <8 x i64> %ins3, <8 x i64> undef, <8 x i32> zeroinitializer
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ret <8 x i64> %splat
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}
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