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1; RUN: llc < %s -verify-coalescing
2; <rdar://problem/11522048>
3target triple = "arm64-apple-macosx10.8.0"
4
5; Verify that we can handle spilling the stack pointer without attempting
6; spilling it directly.
7; CHECK: f
8; CHECK: mov [[X0:x[0-9]+]], sp
9; CHECK: str [[X0]]
10; CHECK: inlineasm
11define void @f() nounwind ssp {
12entry:
13  %savedstack = call i8* @llvm.stacksave() nounwind
14  call void asm sideeffect "; inlineasm", "~{x0},~{x1},~{x2},~{x3},~{x4},~{x5},~{x6},~{x7},~{x8},~{x9},~{x10},~{x11},~{x12},~{x13},~{x14},~{x15},~{x16},~{x17},~{x18},~{x19},~{x20},~{x21},~{x22},~{x23},~{x24},~{x25},~{x26},~{x27},~{x28},~{fp},~{lr},~{sp},~{memory}"() nounwind
15  call void @llvm.stackrestore(i8* %savedstack) nounwind
16  ret void
17}
18
19declare i8* @llvm.stacksave() nounwind
20declare void @llvm.stackrestore(i8*) nounwind
21