llvm-for-llvmta/test/Transforms/InstCombine/2008-06-19-UncondLoad.ll

17 lines
506 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, i32* %a
%tmp3 = load i32, 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, i32* %cond
ret i32 %tmp8
}