llvm-6502/test/Transforms/Reassociate/negation.ll
Chris Lattner 4544d0218a new testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21784 91177308-0d34-0410-b5e6-96231b3b80d8
2005-05-08 21:28:33 +00:00

21 lines
429 B
LLVM

; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | not grep sub
; Test that we can turn things like X*-(Y*Z) -> X*-1*Y*Z.
int %test1(int %a, int %b, int %z) {
%c = sub int 0, %z
%d = mul int %a, %b
%e = mul int %c, %d
%f = mul int %e, 12345
%g = sub int 0, %f
ret int %g
}
int %test2(int %a, int %b, int %z) {
%d = mul int %z, 40
%c = sub int 0, %d
%e = mul int %a, %c
%f = sub int 0, %e
ret int %f
}