17 lines
491 B
LLVM
17 lines
491 B
LLVM
|
; RUN: opt < %s -instcombine -S | grep load | count 3
|
||
|
; PR2471
|
||
|
|
||
|
declare i32 @x(i32*)
|
||
|
define i32 @b(i32* %a, i32* %b) {
|
||
|
entry:
|
||
|
%tmp1 = load i32* %a
|
||
|
%tmp3 = load i32* %b
|
||
|
%add = add i32 %tmp1, %tmp3
|
||
|
%call = call i32 @x( i32* %a )
|
||
|
%tobool = icmp ne i32 %add, 0
|
||
|
; not safe to turn into an uncond load
|
||
|
%cond = select i1 %tobool, i32* %b, i32* %a
|
||
|
%tmp8 = load i32* %cond
|
||
|
ret i32 %tmp8
|
||
|
}
|