0f90672ae9
Summary: This change fix PR35342 by replacing only the current use with undef in unreachable blocks. Reviewers: efriedma, mcrosier, igor-laevsky Reviewed By: efriedma Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40184 llvm-svn: 318551
27 lines
535 B
LLVM
27 lines
535 B
LLVM
; RUN: opt -licm -S < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:1"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: @f1
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; CHECK-LABEL: bci_524:
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; CHECK: add i32 undef, undef
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define void @f1(i32 %v) {
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not_zero.lr.ph:
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br label %not_zero
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not_zero:
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br i1 undef, label %bci_748 , label %bci_314
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bci_314:
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%0 = select i1 undef, i32 undef, i32 undef
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br label %not_zero
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bci_524: ; No predecessors!
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%add = add i32 %0, %0
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br label %bci_748
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bci_748:
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ret void
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}
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