forked from OSchip/llvm-project
22 lines
826 B
LLVM
22 lines
826 B
LLVM
; RUN: opt < %s -indvars -loop-deletion -simplifycfg -S | not grep br
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;
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; Testcase distilled from 256.bzip2
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define i32 @main() {
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entry:
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br label %loopentry
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loopentry: ; preds = %loopentry, %entry
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%indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1]
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%h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1]
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%tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1]
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%tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2]
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%indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2]
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%exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1]
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br i1 %exitcond3, label %loopentry, label %loopexit
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loopexit: ; preds = %loopentry
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ret i32 %tmp.2
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}
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