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[X86][SSE] Add test for (v2f32 uitofp(build_vector(i32, i32))) (PR35732)

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To compare against (v2f32 build_vector(f32 uitofp(i32), f32 uitofp(i32)))

llvm-svn: 321583
This commit is contained in:
Simon Pilgrim 2017-12-30 11:20:56 +00:00
parent 92d8931a73
commit 1c351a8625
1 changed files with 34 additions and 3 deletions
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37
test/CodeGen/X86/cvtv2f32.ll
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@ -5,8 +5,8 @@
; uitofp <2 x i32> codegen from buildvector or legalization is different but gives the same results
; across the full 0 - 0xFFFFFFFF u32 range.
define <2 x float> @uitofp_2i32_buildvector(i32 %x, i32 %y, <2 x float> %v) {
; X32-LABEL: uitofp_2i32_buildvector:
define <2 x float> @uitofp_2i32_cvt_buildvector(i32 %x, i32 %y, <2 x float> %v) {
; X32-LABEL: uitofp_2i32_cvt_buildvector:
; X32: # %bb.0:
; X32-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
; X32-NEXT: movdqa {{.*#+}} xmm2 = [1258291200,1258291200,1258291200,1258291200]
@ -18,7 +18,7 @@ define <2 x float> @uitofp_2i32_buildvector(i32 %x, i32 %y, <2 x float> %v) {
; X32-NEXT: mulps %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: uitofp_2i32_buildvector:
; X64-LABEL: uitofp_2i32_cvt_buildvector:
; X64: # %bb.0:
; X64-NEXT: movd %edi, %xmm1
; X64-NEXT: pinsrd $1, %esi, %xmm1
@ -38,6 +38,37 @@ define <2 x float> @uitofp_2i32_buildvector(i32 %x, i32 %y, <2 x float> %v) {
ret <2 x float> %t5
}
define <2 x float> @uitofp_2i32_buildvector_cvt(i32 %x, i32 %y, <2 x float> %v) {
; X32-LABEL: uitofp_2i32_buildvector_cvt:
; X32: # %bb.0:
; X32-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; X32-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero
; X32-NEXT: unpcklpd {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; X32-NEXT: movapd {{.*#+}} xmm1 = [4.503600e+15,4.503600e+15]
; X32-NEXT: orpd %xmm1, %xmm2
; X32-NEXT: subpd %xmm1, %xmm2
; X32-NEXT: cvtpd2ps %xmm2, %xmm1
; X32-NEXT: mulps %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: uitofp_2i32_buildvector_cvt:
; X64: # %bb.0:
; X64-NEXT: movd %esi, %xmm1
; X64-NEXT: movd %edi, %xmm2
; X64-NEXT: punpcklqdq {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; X64-NEXT: movdqa {{.*#+}} xmm1 = [4.503600e+15,4.503600e+15]
; X64-NEXT: por %xmm1, %xmm2
; X64-NEXT: subpd %xmm1, %xmm2
; X64-NEXT: cvtpd2ps %xmm2, %xmm1
; X64-NEXT: mulps %xmm1, %xmm0
; X64-NEXT: retq
%t1 = insertelement <2 x i32> undef, i32 %x, i32 0
%t2 = insertelement <2 x i32> %t1, i32 %y, i32 1
%t3 = uitofp <2 x i32> %t2 to <2 x float>
%t4 = fmul <2 x float> %v, %t3
ret <2 x float> %t4
}
define <2 x float> @uitofp_2i32_legalized(<2 x i32> %in, <2 x float> %v) {
; X32-LABEL: uitofp_2i32_legalized:
; X32: # %bb.0: