| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| define i32 @foo(i32 %x, i32 %y) { |
| ; CHECK-LABEL: @foo( |
| ; CHECK-NEXT: [[RES:%.*]] = mul i32 [[X:%.*]], [[Y:%.*]] |
| ; CHECK-NEXT: ret i32 [[RES]] |
| ; |
| %add = add nsw i32 %y, %x |
| %mul = mul nsw i32 %add, %y |
| %square = mul nsw i32 %y, %y |
| %res = sub i32 %mul, %square |
| ret i32 %res |
| } |
| |
| define i1 @bar(i64 %x, i64 %y) { |
| ; CHECK-LABEL: @bar( |
| ; CHECK-NEXT: [[Y1:%.*]] = xor i64 [[X:%.*]], -1 |
| ; CHECK-NEXT: [[B:%.*]] = and i64 [[Y1]], [[Y:%.*]] |
| ; CHECK-NEXT: [[R:%.*]] = icmp eq i64 [[B]], 0 |
| ; CHECK-NEXT: ret i1 [[R]] |
| ; |
| %a = and i64 %y, %x |
| %not = xor i64 %a, -1 |
| %b = and i64 %y, %not |
| %r = icmp eq i64 %b, 0 |
| ret i1 %r |
| } |
