| ; RUN: llc -march=lanai < %s | FileCheck %s |
| ; RUN: llc -march=lanai --lanai-nop-delay-filler < %s | \ |
| ; RUN: FileCheck %s --check-prefix=NOP |
| |
| ; CHECK: bt f |
| ; CHECK-NEXT: or |
| ; NOP: bt f |
| ; NOP-NEXT: nop |
| |
| ; ModuleID = 'delay_filler.c' |
| target datalayout = "E-m:e-p:32:32-i64:64-a:0:32-n32-S64" |
| target triple = "lanai" |
| |
| ; Function Attrs: nounwind |
| define i32 @g(i32 inreg %n) #0 { |
| entry: |
| %cmp5 = icmp sgt i32 %n, 0 |
| br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %for.body |
| %call.lcssa = phi i32 [ %call, %for.body ] |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| %a.0.lcssa = phi i32 [ undef, %entry ], [ %call.lcssa, %for.cond.cleanup.loopexit ] |
| ret i32 %a.0.lcssa |
| |
| for.body: ; preds = %for.body.preheader, %for.body |
| %i.07 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ] |
| %a.06 = phi i32 [ %call, %for.body ], [ undef, %for.body.preheader ] |
| %call = tail call i32 @f(i32 inreg %a.06) #2 |
| %inc = add nuw nsw i32 %i.07, 1 |
| %exitcond = icmp eq i32 %inc, %n |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| declare i32 @f(i32 inreg) #1 |
| |
