| ; RUN: llc -mtriple thumbv7-windows-itanium -filetype asm -o - %s | FileCheck %s |
| |
| @_begin = external global i8 |
| @_end = external global i8 |
| |
| declare arm_aapcs_vfpcc void @force_emission() |
| |
| define arm_aapcs_vfpcc void @bundle() { |
| entry: |
| br i1 icmp uge (i32 sub (i32 ptrtoint (ptr @_end to i32), i32 ptrtoint (ptr @_begin to i32)), i32 4), label %if.then, label %if.end |
| |
| if.then: |
| tail call arm_aapcs_vfpcc void @force_emission() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| ; CHECK-LABEL: bundle |
| ; CHECK-NOT: subs r0, r1, r0 |
| ; CHECK: movw r0, :lower16:_begin |
| ; CHECK-NEXT: movt r0, :upper16:_begin |
| ; CHECK-NEXT: movw r1, :lower16:_end |
| ; CHECK-NEXT: movt r1, :upper16:_end |
| ; CHECK-NEXT: subs r0, r1, r0 |
| ; CHECK-NEXT: cmp r0, #4 |
| |