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6a4a0be88f
Fix PR36484, as suggested: <quote> during moves, mark the direct users of the erased things that were phis as "not to be optimized" <quote> llvm-svn: 329621
35 lines
534 B
LLVM
35 lines
534 B
LLVM
; RUN: opt -gvn-hoist %s -S -o - | FileCheck %s
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; CHECK: store
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; CHECK-NOT: store
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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define void @f(i8* %p) {
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entry:
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switch i4 undef, label %if.then30 [
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i4 4, label %if.end
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i4 0, label %if.end
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]
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if.end:
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br label %if.end19
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if.end19:
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br i1 undef, label %e, label %e.thread
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e.thread:
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store i8 0, i8* %p, align 4
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br label %if.then30
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if.then30:
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call void @g()
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unreachable
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e:
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store i8 0, i8* %p, align 4
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unreachable
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}
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declare void @g()
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