forked from OSchip/llvm-project
12 lines
322 B
LLVM
12 lines
322 B
LLVM
; RUN: opt < %s -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
|
|
}
|