| ; REQUIRES: asserts |
| ; RUN: llc -debug-only=regalloc < %s 2>%t | FileCheck %s --check-prefix=CHECK |
| ; RUN: FileCheck %s < %t --check-prefix=DEBUG |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n8:16:32-S64" |
| target triple = "thumbv7m--linux-gnueabi" |
| |
| |
| ; DEBUG: AllocationOrder(GPR) = [ $r0 $r1 $r2 $r3 $r4 $r5 $r6 $r7 $r12 $lr $r8 $r9 $r10 $r11 ] |
| |
| define i32 @test_minsize(i32 %x) optsize minsize { |
| ; CHECK-LABEL: test_minsize: |
| entry: |
| ; CHECK: mov r4, r0 |
| tail call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3}"() |
| ; CHECK: mov r0, r4 |
| ret i32 %x |
| } |
| |
| ; DEBUG: AllocationOrder(GPR) = [ $r0 $r1 $r2 $r3 $r12 $lr $r4 $r5 $r6 $r7 $r8 $r9 $r10 $r11 ] |
| |
| define i32 @test_optsize(i32 %x) optsize { |
| ; CHECK-LABEL: test_optsize: |
| entry: |
| ; CHECK: mov r12, r0 |
| tail call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3}"() |
| ; CHECK: mov r0, r12 |
| ret i32 %x |
| } |
