| Hal Finkel | bf0bc3b | 2013-05-18 09:20:39 +0000 | [diff] [blame] | 1 | target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" |
| 2 | target triple = "powerpc64-unknown-freebsd10.0" |
| 3 | ; RUN: llc < %s -march=ppc64 | FileCheck %s |
| 4 | |
| 5 | define void @test1(i32 %c) nounwind { |
| 6 | entry: |
| 7 | br label %for.body |
| 8 | |
| 9 | for.body: ; preds = %for.body, %entry |
| 10 | %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 11 | call void asm sideeffect "", "~{r5}"() nounwind |
| 12 | %inc = add nsw i32 %i.01, 1 |
| 13 | %exitcond = icmp eq i32 %inc, 2048 |
| 14 | br i1 %exitcond, label %for.end, label %for.body |
| 15 | |
| 16 | for.end: ; preds = %for.body |
| 17 | ret void |
| 18 | ; CHECK: @test1 |
| 19 | ; CHECK: mtctr |
| 20 | } |
| 21 | |
| 22 | define void @test2(i32 %c) nounwind { |
| 23 | entry: |
| 24 | br label %for.body |
| 25 | |
| 26 | for.body: ; preds = %for.body, %entry |
| 27 | %i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ] |
| 28 | call void asm sideeffect "", "~{ctr}"() nounwind |
| 29 | %inc = add nsw i32 %i.01, 1 |
| 30 | %exitcond = icmp eq i32 %inc, 2048 |
| 31 | br i1 %exitcond, label %for.end, label %for.body |
| 32 | |
| 33 | for.end: ; preds = %for.body |
| 34 | ret void |
| 35 | ; CHECK: @test2 |
| 36 | ; CHECK-NOT: mtctr |
| 37 | } |
| 38 | |