; RUN: opt < %s -instcombine -S | grep {store volatile} | |
; RUN: opt < %s -instcombine -S | grep {load volatile} | |
@x = weak global i32 0 ; <i32*> [#uses=2] | |
define void @self_assign_1() { | |
entry: | |
%tmp = volatile load i32* @x ; <i32> [#uses=1] | |
volatile store i32 %tmp, i32* @x | |
br label %return | |
return: ; preds = %entry | |
ret void | |
} |