18 lines
504 B
LLVM
18 lines
504 B
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
|
||
|
|
|
||
|
|
; There should be exactly one shift and one add left.
|
||
|
|
|
||
|
|
define i32 @test1(i32 %X, i32 %Y) {
|
||
|
|
; CHECK-LABEL: @test1(
|
||
|
|
; CHECK-NEXT: [[REASS_ADD:%.*]] = add i32 [[Y:%.*]], [[X:%.*]]
|
||
|
|
; CHECK-NEXT: [[REASS_MUL:%.*]] = shl i32 [[REASS_ADD]], 1
|
||
|
|
; CHECK-NEXT: ret i32 [[REASS_MUL]]
|
||
|
|
;
|
||
|
|
%t2 = shl i32 %X, 1
|
||
|
|
%t6 = shl i32 %Y, 1
|
||
|
|
%t4 = add i32 %t6, %t2
|
||
|
|
ret i32 %t4
|
||
|
|
}
|
||
|
|
|