llvm-6502/test/Transforms/Reassociate/2002-05-15-SubReassociate2.ll
2006-12-02 04:23:10 +00:00

13 lines
341 B
LLVM

; With sub reassociation, constant folding can eliminate the two 12 constants.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -reassociate -constprop -dce | llvm-dis | not grep 12
int "test"(int %A, int %B, int %C, int %D) {
%M = add int %A, 12
%N = add int %M, %B
%O = add int %N, %C
%P = sub int %D, %O
%Q = add int %P, 12
ret int %Q
}