xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/arm64-stacksave.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -verify-coalescing
2*9880d681SAndroid Build Coastguard Worker; <rdar://problem/11522048>
3*9880d681SAndroid Build Coastguard Workertarget triple = "arm64-apple-macosx10.8.0"
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; Verify that we can handle spilling the stack pointer without attempting
6*9880d681SAndroid Build Coastguard Worker; spilling it directly.
7*9880d681SAndroid Build Coastguard Worker; CHECK: f
8*9880d681SAndroid Build Coastguard Worker; CHECK: mov [[X0:x[0-9]+]], sp
9*9880d681SAndroid Build Coastguard Worker; CHECK: str [[X0]]
10*9880d681SAndroid Build Coastguard Worker; CHECK: inlineasm
11*9880d681SAndroid Build Coastguard Workerdefine void @f() nounwind ssp {
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  %savedstack = call i8* @llvm.stacksave() nounwind
14*9880d681SAndroid Build Coastguard Worker  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*9880d681SAndroid Build Coastguard Worker  call void @llvm.stackrestore(i8* %savedstack) nounwind
16*9880d681SAndroid Build Coastguard Worker  ret void
17*9880d681SAndroid Build Coastguard Worker}
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerdeclare i8* @llvm.stacksave() nounwind
20*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.stackrestore(i8*) nounwind
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