17 lines
402 B
LLVM
17 lines
402 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
|
|
|
|
; Test that we can turn things like A*B + X - A*B -> X.
|
|
|
|
define i32 @test1(i32 %a, i32 %b, i32 %x) {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: ret i32 [[X:%.*]]
|
|
;
|
|
%c = mul i32 %a, %b
|
|
%d = add i32 %c, %x
|
|
%c1 = mul i32 %a, %b
|
|
%f = sub i32 %d, %c1
|
|
ret i32 %f
|
|
}
|
|
|