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13 lines
353 B
LLVM
13 lines
353 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; PR12234
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@g = extern_weak global i32
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define i32 @function(i32 %x) nounwind {
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entry:
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%xor = xor i32 %x, 1
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store volatile i32 %xor, i32* inttoptr (i64 1 to i32*), align 4
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%or4 = or i32 or (i32 zext (i1 icmp eq (i32* @g, i32* null) to i32), i32 1), %xor
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ret i32 %or4
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}
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; CHECK: define i32 @function
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