--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/fp-stack-ret.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,40 @@
+; RUN: llc < %s -mtriple=i686-apple-darwin8 -mcpu=yonah -march=x86 | FileCheck %s
+
+; These testcases shouldn't require loading into an XMM register then storing 
+; to memory, then reloading into an FPStack reg.
+
+; CHECK: test1
+; CHECK: fldl
+; CHECK-NEXT: ret
+define double @test1(double *%P) {
+        %A = load double* %P
+        ret double %A
+}
+
+; fastcc should return a value
+; CHECK: test2
+; CHECK-NOT: xmm
+; CHECK: ret
+define fastcc double @test2(<2 x double> %A) {
+	%B = extractelement <2 x double> %A, i32 0
+	ret double %B
+}
+
+; CHECK: test3
+; CHECK: sub{{.*}}%esp
+; CHECK-NOT: xmm
+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
+}
+
+; Clear the stack when not using a return value.
+; CHECK: test4
+; CHECK: call
+; CHECK: fstp
+; CHECK: ret
+define void @test4(double *%P) {
+  %A = call double @test1(double *%P)
+  ret void
+}