; 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 }