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; RUN: llc < %s -march=x86
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@c0 = common global i8 0, align 1
define void @func() nounwind uwtable {
entry:
%0 = load i8* @c0, align 1
%tobool = icmp ne i8 %0, 0
%conv = zext i1 %tobool to i8
%storemerge = shl nuw nsw i8 %conv, %conv
store i8 %storemerge, i8* @c0, align 1
ret void
}
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