llvm/test/CodeGen/ARM/arm-returnaddr.ll
2010-05-24 18:00:18 +00:00

25 lines
557 B
LLVM

; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
; RUN: llc < %s -mtriple=thumbv6-apple-darwin
; rdar://8015977
; rdar://8020118
define arm_apcscc i8* @rt0(i32 %x) nounwind readnone {
entry:
; CHECK: rt0:
; CHECK: mov r0, lr
%0 = tail call i8* @llvm.returnaddress(i32 0)
ret i8* %0
}
define arm_apcscc i8* @rt2() nounwind readnone {
entry:
; CHECK: rt2:
; CHECK: ldr r0, [r7]
; CHECK: ldr r0, [r0]
; CHECK: ldr r0, [r0, #4]
%0 = tail call i8* @llvm.returnaddress(i32 2)
ret i8* %0
}
declare i8* @llvm.returnaddress(i32) nounwind readnone