1 files changed, 73 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2013-04-05-Small-ByVal-Structs-PR15293.ll b/test/CodeGen/ARM/2013-04-05-Small-ByVal-Structs-PR15293.ll
new file mode 100644
index 0000000000..4a5ca9db0e
--- /dev/null
+++ b/test/CodeGen/ARM/2013-04-05-Small-ByVal-Structs-PR15293.ll
@@ -0,0 +1,73 @@
+;PR15293: ARM codegen ice - expected larger existing stack allocation
+;RUN: llc -mtriple=arm-linux-gnueabihf < %s | FileCheck %s
+
+;CHECK: foo:
+;CHECK: 	sub	sp, sp, #8
+;CHECK: 	push	{r11, lr}
+;CHECK: 	str	r0, [sp, #12]
+;CHECK: 	add	r0, sp, #12
+;CHECK: 	bl	fooUseParam
+;CHECK: 	pop	{r11, lr}
+;CHECK: 	add	sp, sp, #8
+;CHECK: 	mov	pc, lr
+
+;CHECK: foo2:
+;CHECK: 	sub	sp, sp, #16
+;CHECK: 	push	{r11, lr}
+;CHECK: 	str	r0, [sp, #12]
+;CHECK: 	add	r0, sp, #12
+;CHECK: 	str	r2, [sp, #16]
+;CHECK: 	bl	fooUseParam
+;CHECK: 	add	r0, sp, #16
+;CHECK: 	bl	fooUseParam
+;CHECK: 	pop	{r11, lr}
+;CHECK: 	add	sp, sp, #16
+;CHECK: 	mov	pc, lr
+
+;CHECK: doFoo:
+;CHECK: 	push	{r11, lr}
+;CHECK: 	ldr	r0,
+;CHECK: 	ldr	r0, [r0]
+;CHECK: 	bl	foo
+;CHECK: 	pop	{r11, lr}
+;CHECK: 	mov	pc, lr
+
+
+;CHECK: doFoo2:
+;CHECK: 	push	{r11, lr}
+;CHECK: 	ldr	r0,
+;CHECK: 	mov	r1, #0
+;CHECK: 	ldr	r0, [r0]
+;CHECK: 	mov	r2, r0
+;CHECK: 	bl	foo2
+;CHECK: 	pop	{r11, lr}
+;CHECK: 	mov	pc, lr
+
+
+%artz = type { i32 }
+@static_val = constant %artz { i32 777 }
+
+declare void @fooUseParam(%artz* )
+
+define void @foo(%artz* byval %s) {
+  call void @fooUseParam(%artz* %s)
+  ret void
+}
+
+define void @foo2(%artz* byval %s, i32 %p, %artz* byval %s2) {
+  call void @fooUseParam(%artz* %s)
+  call void @fooUseParam(%artz* %s2)
+  ret void
+}
+
+
+define void @doFoo() {
+  call void @foo(%artz* byval @static_val)
+  ret void
+}
+
+define void @doFoo2() {
+  call void @foo2(%artz* byval @static_val, i32 0, %artz* byval @static_val)
+  ret void
+}
+