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| ; 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
|