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d6babe096d
Summary: The module pass pipeline includes a late LICM run after loop unrolling. LCSSA is implicitly run as a pass dependency of LICM. However no cleanup pass was run after this, so the LCSSA nodes ended in the optimized output. Reviewers: hfinkel, mehdi_amini Subscribers: majnemer, bruno, mzolotukhin, mehdi_amini, llvm-commits Differential Revision: http://reviews.llvm.org/D20606 llvm-svn: 271602
19 lines
296 B
LLVM
19 lines
296 B
LLVM
; RUN: opt -S -O3 < %s | FileCheck %s
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define i64 @test() {
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entry:
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br label %loop
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loop:
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%i = phi i64 [ 0, %entry ], [ %inc, %loop ]
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%inc = add i64 %i, 1
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%cond = tail call i1 @check()
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br i1 %cond, label %loop, label %exit
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exit:
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; CHECK-NOT: lcssa
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ret i64 %i
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}
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declare i1 @check()
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