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21 lines
810 B
21 lines
810 B
4 months ago
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; RUN: llc < %s -verify-coalescing
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; <rdar://problem/11522048>
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target triple = "arm64-apple-macosx10.8.0"
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; Verify that we can handle spilling the stack pointer without attempting
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; spilling it directly.
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; CHECK: f
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; CHECK: mov [[X0:x[0-9]+]], sp
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; CHECK: str [[X0]]
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; CHECK: inlineasm
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define void @f() nounwind ssp {
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entry:
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%savedstack = call i8* @llvm.stacksave() nounwind
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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
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call void @llvm.stackrestore(i8* %savedstack) nounwind
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ret void
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}
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declare i8* @llvm.stacksave() nounwind
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declare void @llvm.stackrestore(i8*) nounwind
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