67 lines
2.7 KiB
LLVM
67 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-linux-pc -mcpu=corei7 | FileCheck %s --check-prefix=X32
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; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=corei7 | FileCheck %s --check-prefix=X64
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; uitofp <2 x i32> codegen from buildvector or legalization is different but gives the same results
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; across the full 0 - 0xFFFFFFFF u32 range.
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define <2 x float> @uitofp_2i32_buildvector(i32 %x, i32 %y, <2 x float> %v) {
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; X32-LABEL: uitofp_2i32_buildvector:
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; X32: # BB#0:
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; X32-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
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; X32-NEXT: movdqa {{.*#+}} xmm2 = [1258291200,1258291200,1258291200,1258291200]
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; X32-NEXT: pblendw {{.*#+}} xmm2 = xmm1[0],xmm2[1],xmm1[2],xmm2[3],xmm1[4],xmm2[5],xmm1[6],xmm2[7]
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; X32-NEXT: psrld $16, %xmm1
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; X32-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0],mem[1],xmm1[2],mem[3],xmm1[4],mem[5],xmm1[6],mem[7]
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; X32-NEXT: addps {{\.LCPI.*}}, %xmm1
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; X32-NEXT: addps %xmm2, %xmm1
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; X32-NEXT: mulps %xmm1, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: uitofp_2i32_buildvector:
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; X64: # BB#0:
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; X64-NEXT: movd %edi, %xmm1
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; X64-NEXT: pinsrd $1, %esi, %xmm1
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; X64-NEXT: movdqa {{.*#+}} xmm2 = [1258291200,1258291200,1258291200,1258291200]
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; X64-NEXT: pblendw {{.*#+}} xmm2 = xmm1[0],xmm2[1],xmm1[2],xmm2[3],xmm1[4],xmm2[5],xmm1[6],xmm2[7]
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; X64-NEXT: psrld $16, %xmm1
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; X64-NEXT: pblendw {{.*#+}} xmm1 = xmm1[0],mem[1],xmm1[2],mem[3],xmm1[4],mem[5],xmm1[6],mem[7]
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; X64-NEXT: addps {{.*}}(%rip), %xmm1
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; X64-NEXT: addps %xmm2, %xmm1
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; X64-NEXT: mulps %xmm1, %xmm0
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; X64-NEXT: retq
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%t1 = uitofp i32 %x to float
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%t2 = insertelement <2 x float> undef, float %t1, i32 0
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%t3 = uitofp i32 %y to float
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%t4 = insertelement <2 x float> %t2, float %t3, i32 1
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%t5 = fmul <2 x float> %v, %t4
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ret <2 x float> %t5
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}
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define <2 x float> @uitofp_2i32_legalized(<2 x i32> %in, <2 x float> %v) {
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; X32-LABEL: uitofp_2i32_legalized:
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; X32: # BB#0:
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; X32-NEXT: pxor %xmm2, %xmm2
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; X32-NEXT: pblendw {{.*#+}} xmm2 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
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; X32-NEXT: movdqa {{.*#+}} xmm0 = [4.503600e+15,4.503600e+15]
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; X32-NEXT: por %xmm0, %xmm2
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; X32-NEXT: subpd %xmm0, %xmm2
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; X32-NEXT: cvtpd2ps %xmm2, %xmm0
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; X32-NEXT: mulps %xmm1, %xmm0
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; X32-NEXT: retl
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;
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; X64-LABEL: uitofp_2i32_legalized:
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; X64: # BB#0:
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; X64-NEXT: pxor %xmm2, %xmm2
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; X64-NEXT: pblendw {{.*#+}} xmm2 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
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; X64-NEXT: movdqa {{.*#+}} xmm0 = [4.503600e+15,4.503600e+15]
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; X64-NEXT: por %xmm0, %xmm2
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; X64-NEXT: subpd %xmm0, %xmm2
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; X64-NEXT: cvtpd2ps %xmm2, %xmm0
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; X64-NEXT: mulps %xmm1, %xmm0
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; X64-NEXT: retq
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%t1 = uitofp <2 x i32> %in to <2 x float>
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%t2 = fmul <2 x float> %v, %t1
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ret <2 x float> %t2
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}
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