blob: 1899be79e11210e69bf92fafee9656fdf22f0649 [file] [log] [blame]
; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis |\
; RUN: not grep {sub i32 0}
define i32 @test(i32 %X, i32 %Y, i32 %Z) {
%A = sub i32 0, %X ; <i32> [#uses=1]
%B = mul i32 %A, %Y ; <i32> [#uses=1]
; (-X)*Y + Z -> Z-X*Y
%C = add i32 %B, %Z ; <i32> [#uses=1]
ret i32 %C
}