| ; 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"} |