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; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s
; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s
define i32 @get_stack() nounwind {
entry:
; CHECK-LABEL: get_stack:
; CHECK: mov r0, sp
%sp = call i32 @llvm.read_register.i32(metadata !0)
ret i32 %sp
}
define void @set_stack(i32 %val) nounwind {
entry:
; CHECK-LABEL: set_stack:
; CHECK: mov sp, r0
call void @llvm.write_register.i32(metadata !0, i32 %val)
ret void
}
declare i32 @llvm.read_register.i32(metadata) nounwind
declare void @llvm.write_register.i32(metadata, i32) nounwind
; register unsigned long current_stack_pointer asm("sp");
; CHECK-NOT: .asciz "sp"
!0 = !{!"sp\00"}
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