1 ; RUN: llc < %s -verify-coalescing 2 ; <rdar://problem/11522048> 3 target 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 11 define void @f() nounwind ssp { 12 entry: 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 19 declare i8* @llvm.stacksave() nounwind 20 declare void @llvm.stackrestore(i8*) nounwind 21
