For fastcc on x86, let ECX be used as a return register after EAX and EDX
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fastcc3struct.ll b/test/CodeGen/X86/fastcc3struct.ll
new file mode 100644
index 0000000..84f8ef6
--- /dev/null
+++ b/test/CodeGen/X86/fastcc3struct.ll
@@ -0,0 +1,15 @@
+; RUN: llc < %s -march=x86 -o %t
+; RUN: grep "movl .48, %ecx" %t
+; RUN: grep "movl .24, %edx" %t
+; RUN: grep "movl .12, %eax" %t
+
+%0 = type { i32, i32, i32 }
+
+define internal fastcc %0 @ReturnBigStruct() nounwind readnone {
+entry:
+ %0 = insertvalue %0 zeroinitializer, i32 12, 0
+ %1 = insertvalue %0 %0, i32 24, 1
+ %2 = insertvalue %0 %1, i32 48, 2
+ ret %0 %2
+}
+