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unswitch when frontier includes basic blocks that are not inside loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42654 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
669 B
LLVM
30 lines
669 B
LLVM
; RUN: llvm-as < %s | opt -licm -loop-unroll -disable-output
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@resonant = external global i32 ; <i32*> [#uses=2]
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define void @weightadj() {
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entry:
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br label %bb
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bb: ; preds = %bb158, %entry
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store i32 0, i32* @resonant, align 4
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br i1 false, label %g.exit, label %bb158
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g.exit: ; preds = %bb68, %bb
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br i1 false, label %bb68, label %cond_true
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cond_true: ; preds = %g.exit
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store i32 1, i32* @resonant, align 4
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br label %bb68
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bb68: ; preds = %cond_true, %g.exit
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%tmp71 = icmp slt i32 0, 0 ; <i1> [#uses=1]
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br i1 %tmp71, label %g.exit, label %bb158
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bb158: ; preds = %bb68, %bb
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br i1 false, label %bb, label %return
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return: ; preds = %bb158
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ret void
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}
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