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