| ; NOTE: Assertions have been autogenerated by update_test_checks.py |
| ; RUN: opt < %s -S -instsimplify | FileCheck %s |
| |
| declare i16 @llvm.bswap.i16(i16) |
| |
| define i1 @test1(i16 %arg) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK: ret i1 false |
| ; |
| %a = or i16 %arg, 1 |
| %b = call i16 @llvm.bswap.i16(i16 %a) |
| %res = icmp eq i16 %b, 0 |
| ret i1 %res |
| } |
| |
| define i1 @test2(i16 %arg) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK: ret i1 false |
| ; |
| %a = or i16 %arg, 1024 |
| %b = call i16 @llvm.bswap.i16(i16 %a) |
| %res = icmp eq i16 %b, 0 |
| ret i1 %res |
| } |
| |
| define i1 @test3(i16 %arg) { |
| ; CHECK-LABEL: @test3( |
| ; CHECK: ret i1 false |
| ; |
| %a = and i16 %arg, 1 |
| %b = call i16 @llvm.bswap.i16(i16 %a) |
| %and = and i16 %b, 1 |
| %res = icmp eq i16 %and, 1 |
| ret i1 %res |
| } |
| |
| define i1 @test4(i16 %arg) { |
| ; CHECK-LABEL: @test4( |
| ; CHECK: ret i1 false |
| ; |
| %a = and i16 %arg, 511 |
| %b = call i16 @llvm.bswap.i16(i16 %a) |
| %and = and i16 %b, 256 |
| %res = icmp eq i16 %and, 1 |
| ret i1 %res |
| } |