; RUN: opt < %s -passes=instcombine -S | grep " sub " | count 1 | |
; PR2047 | |
define i32 @l(i32 %a, i32 %b, i32 %c, i32 %d) { | |
entry: | |
%b.neg = sub i32 0, %b ; <i32> [#uses=1] | |
%c.neg = sub i32 0, %c ; <i32> [#uses=1] | |
%sub4 = add i32 %c.neg, %b.neg ; <i32> [#uses=1] | |
%sub6 = add i32 %sub4, %d ; <i32> [#uses=1] | |
ret i32 %sub6 | |
} |