[llvm] r345483 - [X86] Add test case to show failure to handle splat vectors in the constant check in LowerFCOPYSIGN.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Oct 28 16:51:33 2018
New Revision: 345483

URL: http://llvm.org/viewvc/llvm-project?rev=345483&view=rev
Log:
[X86] Add test case to show failure to handle splat vectors in the constant check in LowerFCOPYSIGN.

Modified:
    llvm/trunk/test/CodeGen/X86/sse1-fcopysign.ll

Modified: llvm/trunk/test/CodeGen/X86/sse1-fcopysign.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/sse1-fcopysign.ll?rev=345483&r1=345482&r2=345483&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/sse1-fcopysign.ll (original)
+++ llvm/trunk/test/CodeGen/X86/sse1-fcopysign.ll Sun Oct 28 16:51:33 2018
@@ -68,5 +68,25 @@ define <4 x float> @v4f32_neg(<4 x float
   ret <4 x float> %tmp
 }
 
+define <4 x float> @v4f32_const_mag(<4 x float> %a, <4 x float> %b) nounwind {
+; X86-LABEL: v4f32_const_mag:
+; X86:       # %bb.0:
+; X86-NEXT:    andps {{\.LCPI.*}}, %xmm1
+; X86-NEXT:    movaps {{.*#+}} xmm0 = [1,1,1,1]
+; X86-NEXT:    andps {{\.LCPI.*}}, %xmm0
+; X86-NEXT:    orps %xmm1, %xmm0
+; X86-NEXT:    retl
+;
+; X64-LABEL: v4f32_const_mag:
+; X64:       # %bb.0:
+; X64-NEXT:    andps {{.*}}(%rip), %xmm1
+; X64-NEXT:    movaps {{.*#+}} xmm0 = [1,1,1,1]
+; X64-NEXT:    andps {{.*}}(%rip), %xmm0
+; X64-NEXT:    orps %xmm1, %xmm0
+; X64-NEXT:    retq
+  %tmp = tail call <4 x float> @llvm.copysign.v4f32(<4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, <4 x float> %b )
+  ret <4 x float> %tmp
+}
+
 declare float @llvm.copysign.f32(float, float)
 declare <4 x float> @llvm.copysign.v4f32(<4 x float>, <4 x float>)