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 39
