blob: 5316bd772e13ad6a28365ad763aea2d149722cb2 [file] [log] [blame]
; RUN: opt < %s -instcombine -S | grep {volatile store}
; RUN: opt < %s -instcombine -S | grep {volatile load}
@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
}