| ; RUN: llvm-as < %s | opt -licm | llvm-dis | %prcontext volatile 1 | grep Loop | |
| @X = global i32 7 ; <i32*> [#uses=2] | |
| define void @testfunc(i32 %i) { | |
| br label %Loop | |
| Loop: ; preds = %Loop, %0 | |
| ; Should not promote this to a register | |
| %x = volatile load i32* @X ; <i32> [#uses=1] | |
| %x2 = add i32 %x, 1 ; <i32> [#uses=1] | |
| store i32 %x2, i32* @X | |
| br i1 true, label %Out, label %Loop | |
| Out: ; preds = %Loop | |
| ret void | |
| } | |