verify that double is returned in XMM0 if the function is fastcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34591 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/fp-stack-ret.ll b/test/CodeGen/X86/fp-stack-ret.ll
index d688f94..6ed8115 100644 (file)
--- a/test/CodeGen/X86/fp-stack-ret.ll
+++ b/test/CodeGen/X86/fp-stack-ret.ll
@@ -1,6 +1,7 @@
-; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin8 -march=x86 | grep fldl &&
-; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin8 -march=x86 | not grep xmm &&
-; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin8 -march=x86 | not grep 'sub.*esp'
+; RUN: llvm-as < %s | llc -mtriple=i686-apple-darwin8 -mcpu=yonah -march=x86 > %t &&
+; RUN: grep fldl %t | wc -l | grep 1 &&
+; RUN: not grep xmm %t &&
+; RUN: grep 'sub.*esp' %t | wc -l | grep 1
 
 ; These testcases shouldn't require loading into an XMM register then storing 
 ; to memory, then reloading into an FPStack reg.
@@ -10,3 +11,15 @@ define double @test1(double *%P) {
         ret double %A
 }
 
+; fastcc should return a value 
+define fastcc double @test2(<2 x double> %A) {
+       %B = extractelement <2 x double> %A, i32 0
+       ret double %B
+}
+
+define fastcc double @test3(<4 x float> %A) {
+       %B = bitcast <4 x float> %A to <2 x double>
+       %C = call fastcc double @test2(<2 x double> %B)
+       ret double %C
+}
+