[llvm] r321583 - [X86][SSE] Add test for (v2f32 uitofp(build_vector(i32, i32))) (PR35732)

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sat Dec 30 03:20:56 2017
New Revision: 321583

URL: http://llvm.org/viewvc/llvm-project?rev=321583&view=rev
Log:
[X86][SSE] Add test for (v2f32 uitofp(build_vector(i32, i32))) (PR35732)

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

Modified:
    llvm/trunk/test/CodeGen/X86/cvtv2f32.ll

Modified: llvm/trunk/test/CodeGen/X86/cvtv2f32.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/cvtv2f32.ll?rev=321583&r1=321582&r2=321583&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/cvtv2f32.ll (original)
+++ llvm/trunk/test/CodeGen/X86/cvtv2f32.ll Sat Dec 30 03:20:56 2017
@@ -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_buildvec
 ; 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_buildvec
   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: