Jacques Pienaar | fcef3e4 | 2016-03-28 13:09:54 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=lanai < %s | FileCheck %s |
| 2 | ; RUN: llc -march=lanai --lanai-nop-delay-filler < %s | \ |
| 3 | ; RUN: FileCheck %s --check-prefix=NOP |
| 4 | |
| 5 | ; CHECK: bt f |
| 6 | ; CHECK-NEXT: or |
| 7 | ; NOP: bt f |
| 8 | ; NOP-NEXT: nop |
| 9 | |
| 10 | ; ModuleID = 'delay_filler.c' |
| 11 | target datalayout = "E-m:e-p:32:32-i64:64-a:0:32-n32-S64" |
| 12 | target triple = "lanai" |
| 13 | |
| 14 | ; Function Attrs: nounwind |
| 15 | define i32 @g(i32 inreg %n) #0 { |
| 16 | entry: |
| 17 | %cmp5 = icmp sgt i32 %n, 0 |
| 18 | br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup |
| 19 | |
| 20 | for.body.preheader: ; preds = %entry |
| 21 | br label %for.body |
| 22 | |
| 23 | for.cond.cleanup.loopexit: ; preds = %for.body |
| 24 | %call.lcssa = phi i32 [ %call, %for.body ] |
| 25 | br label %for.cond.cleanup |
| 26 | |
| 27 | for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| 28 | %a.0.lcssa = phi i32 [ undef, %entry ], [ %call.lcssa, %for.cond.cleanup.loopexit ] |
| 29 | ret i32 %a.0.lcssa |
| 30 | |
| 31 | for.body: ; preds = %for.body.preheader, %for.body |
| 32 | %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| 33 | %a.06 = phi i32 [ %call, %for.body ], [ undef, %for.body.preheader ] |
| 34 | %call = tail call i32 @f(i32 inreg %a.06) #2 |
| 35 | %inc = add nuw nsw i32 %i.07, 1 |
| 36 | %exitcond = icmp eq i32 %inc, %n |
| 37 | br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| 38 | } |
| 39 | |
| 40 | declare i32 @f(i32 inreg) #1 |
| 41 | |