1; RUN: llc < %s -mtriple=arm-apple-darwin | FileCheck %s 2; RUN: llc < %s -mtriple=arm-linux-gnueabi | FileCheck %s 3 4define i32 @get_stack() nounwind { 5entry: 6; CHECK-LABEL: get_stack: 7; CHECK: mov r0, sp 8 %sp = call i32 @llvm.read_register.i32(metadata !0) 9 ret i32 %sp 10} 11 12define void @set_stack(i32 %val) nounwind { 13entry: 14; CHECK-LABEL: set_stack: 15; CHECK: mov sp, r0 16 call void @llvm.write_register.i32(metadata !0, i32 %val) 17 ret void 18} 19 20declare i32 @llvm.read_register.i32(metadata) nounwind 21declare void @llvm.write_register.i32(metadata, i32) nounwind 22 23; register unsigned long current_stack_pointer asm("sp"); 24; CHECK-NOT: .asciz "sp" 25!0 = !{!"sp\00"} 26