Simplify code for calling a function where CanLowerReturn fails, fixing a small bug in the process.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157446 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/bigstructret.ll b/test/CodeGen/X86/bigstructret.ll
index 633995d..eacbf32 100644
--- a/test/CodeGen/X86/bigstructret.ll
+++ b/test/CodeGen/X86/bigstructret.ll
@@ -1,12 +1,15 @@
-; RUN: llc < %s -march=x86 -o %t
-; RUN: grep "movl	.24601, 12(%ecx)" %t
-; RUN: grep "movl	.48, 8(%ecx)" %t
-; RUN: grep "movl	.24, 4(%ecx)" %t
-; RUN: grep "movl	.12, (%ecx)" %t
+; RUN: llc < %s -march=x86 | FileCheck %s
 
 %0 = type { i32, i32, i32, i32 }
+%1 = type { i1, i1, i1, i32 }
 
-define internal fastcc %0 @ReturnBigStruct() nounwind readnone {
+; CHECK: ReturnBigStruct
+; CHECK: movl $24601, 12(%ecx)
+; CHECK: movl	$48, 8(%ecx)
+; CHECK: movl	$24, 4(%ecx)
+; CHECK: movl	$12, (%ecx)
+
+define fastcc %0 @ReturnBigStruct() nounwind readnone {
 entry:
   %0 = insertvalue %0 zeroinitializer, i32 12, 0
   %1 = insertvalue %0 %0, i32 24, 1
@@ -15,3 +18,29 @@
   ret %0 %3
 }
 
+; CHECK: ReturnBigStruct2
+; CHECK: movl	$48, 4(%ecx)
+; CHECK: movb	$1, 2(%ecx)
+; CHECK: movb	$1, 1(%ecx)
+; CHECK: movb	$0, (%ecx)
+
+define fastcc %1 @ReturnBigStruct2() nounwind readnone {
+entry:
+  %0 = insertvalue %1 zeroinitializer, i1 false, 0
+  %1 = insertvalue %1 %0, i1 true, 1
+  %2 = insertvalue %1 %1, i1 true, 2
+  %3 = insertvalue %1 %2, i32 48, 3
+  ret %1 %3
+}
+
+; CHECK: CallBigStruct2
+; CHECK: leal	16(%esp), {{.*}}
+; CHECK: call{{.*}}ReturnBigStruct2
+; CHECK: subl	$4, %esp
+; CHECK: movl	20(%esp), %eax
+define fastcc i32 @CallBigStruct2() nounwind readnone {
+entry:
+  %0 = call %1 @ReturnBigStruct2()
+  %1 = extractvalue %1 %0, 3
+  ret i32 %1
+}