| ; NOTE: Assertions have been autogenerated by update_test_checks.py |
| ; This test case checks that the merge of and/xor can work on arbitrary |
| ; precision integers. |
| |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| ; (x &z ) ^ (y & z) -> (x ^ y) & z |
| define i57 @test1(i57 %x, i57 %y, i57 %z) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: [[TMP61:%.*]] = xor i57 %x, %y |
| ; CHECK-NEXT: [[TMP7:%.*]] = and i57 [[TMP61]], %z |
| ; CHECK-NEXT: ret i57 [[TMP7]] |
| ; |
| %tmp3 = and i57 %z, %x |
| %tmp6 = and i57 %z, %y |
| %tmp7 = xor i57 %tmp3, %tmp6 |
| ret i57 %tmp7 |
| } |
| |
| ; (x & y) ^ (x | y) -> x ^ y |
| define i23 @test2(i23 %x, i23 %y, i23 %z) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: [[TMP7:%.*]] = xor i23 %y, %x |
| ; CHECK-NEXT: ret i23 [[TMP7]] |
| ; |
| %tmp3 = and i23 %y, %x |
| %tmp6 = or i23 %y, %x |
| %tmp7 = xor i23 %tmp3, %tmp6 |
| ret i23 %tmp7 |
| } |
| |