blob: 4c63d1238a6741583e49bee9edf40a36200d9470 (
plain)
1
2
3
4
5
6
7
8
9
10
11
|
; With sub reassociation, constant folding can eliminate the 12 and -12 constants.
;
; RUN: opt < %s -reassociate -instcombine -S | not grep 12
define i32 @test(i32 %A, i32 %B) {
%X = add i32 -12, %A ; <i32> [#uses=1]
%Y = sub i32 %X, %B ; <i32> [#uses=1]
%Z = add i32 %Y, 12 ; <i32> [#uses=1]
ret i32 %Z
}
|
