| ; 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, 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 | |
| } |