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27 lines
604 B
LLVM
27 lines
604 B
LLVM
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; RUN: llc < %s -march=arm64 | FileCheck %s
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define i8* @rt0(i32 %x) nounwind readnone {
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entry:
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; CHECK-LABEL: rt0:
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; CHECK: mov x0, lr
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; CHECK: ret
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%0 = tail call i8* @llvm.returnaddress(i32 0)
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ret i8* %0
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}
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define i8* @rt2() nounwind readnone {
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entry:
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; CHECK-LABEL: rt2:
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; CHECK: stp fp, lr, [sp, #-16]!
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; CHECK: mov fp, sp
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; CHECK: ldr x[[REG:[0-9]+]], [fp]
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; CHECK: ldr x[[REG2:[0-9]+]], [x[[REG]]]
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; CHECK: ldr x0, [x[[REG2]], #8]
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; CHECK: ldp fp, lr, [sp], #16
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; CHECK: ret
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%0 = tail call i8* @llvm.returnaddress(i32 2)
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ret i8* %0
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}
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declare i8* @llvm.returnaddress(i32) nounwind readnone
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