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

12 lines
316 B
LLVM

; With sub reassociation, constant folding can eliminate all of the constants.
;
; RUN: llvm-upgrade < %s | llvm-as | opt -reassociate -constprop -instcombine -dce | llvm-dis | not grep add
int %test(int %A, int %B) {
%W = add int 5, %B
%X = add int -7, %A
%Y = sub int %X, %W
%Z = add int %Y, 12
ret int %Z
}