; RUN: opt < %s -licm -S | FileCheck %s | |
; Promote value if at least one use is safe | |
define i32 @f2(i32* %p, i8* %q) { | |
entry: | |
br label %loop.head | |
loop.head: ; preds = %cond.true, %entry | |
store i32 20, i32* %p | |
%tmp3.i = icmp eq i8* null, %q ; <i1> [#uses=1] | |
br i1 %tmp3.i, label %exit, label %cond.true | |
cond.true: ; preds = %loop.head | |
store i32 40, i32* %p | |
br label %loop.head | |
; CHECK: exit: | |
; CHECK: store i32 20, i32* %p | |
exit: ; preds = %loop.head | |
ret i32 0 | |
} | |