[llvm] r240241 - [X86][SSE] Added missing stack folding test for CVTSD2SS instruction.

[Simon Pilgrim]

Author: rksimon
Date: Sun Jun 21 11:07:47 2015
New Revision: 240241

URL: http://llvm.org/viewvc/llvm-project?rev=240241&view=rev
Log:
[X86][SSE] Added missing stack folding test for CVTSD2SS instruction.


Modified:
    llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll

Modified: llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll?rev=240241&r1=240240&r2=240241&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll (original)
+++ llvm/trunk/test/CodeGen/X86/stack-folding-fp-sse42.ll Sun Jun 21 11:07:47 2015
@@ -314,7 +314,13 @@ define i64 @stack_fold_cvtsd2si64_int(<2
 }
 declare i64 @llvm.x86.sse2.cvtsd2si64(<2 x double>) nounwind readnone
 
-; TODO stack_fold_cvtsd2ss
+define float @stack_fold_cvtsd2ss(double %a0) optsize {
+  ;CHECK-LABEL: stack_fold_cvtsd2ss
+  ;CHECK:       cvtsd2ss {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 8-byte Folded Reload
+  %1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
+  %2 = fptrunc double %a0 to float
+  ret float %2
+}
 
 define <4 x float> @stack_fold_cvtsd2ss_int(<2 x double> %a0) optsize {
   ;CHECK-LABEL: stack_fold_cvtsd2ss_int