| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s |
| |
| ; FIXME: Some of these tests belong in InstSimplify. |
| |
| ; Integer BitWidth <= 64 && BitWidth % 8 != 0. |
| |
| define i39 @test0(i39 %A) { |
| ; CHECK-LABEL: @test0( |
| ; CHECK-NEXT: ret i39 0 |
| ; |
| %B = and i39 %A, 0 ; zero result |
| ret i39 %B |
| } |
| |
| define i15 @test2(i15 %x) { |
| ; CHECK-LABEL: @test2( |
| ; CHECK-NEXT: ret i15 [[X:%.*]] |
| ; |
| %tmp.2 = and i15 %x, -1 ; noop |
| ret i15 %tmp.2 |
| } |
| |
| define i23 @test3(i23 %x) { |
| ; CHECK-LABEL: @test3( |
| ; CHECK-NEXT: ret i23 0 |
| ; |
| %tmp.0 = and i23 %x, 127 |
| %tmp.2 = and i23 %tmp.0, 128 |
| ret i23 %tmp.2 |
| } |
| |
| define i1 @test4(i37 %x) { |
| ; CHECK-LABEL: @test4( |
| ; CHECK-NEXT: [[B:%.*]] = icmp ugt i37 [[X:%.*]], 2147483647 |
| ; CHECK-NEXT: ret i1 [[B]] |
| ; |
| %A = and i37 %x, -2147483648 |
| %B = icmp ne i37 %A, 0 |
| ret i1 %B |
| } |
| |
| define i7 @test5(i7 %A, ptr %P) { |
| ; CHECK-LABEL: @test5( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i7 [[A:%.*]], -4 |
| ; CHECK-NEXT: [[C:%.*]] = xor i7 [[TMP1]], 15 |
| ; CHECK-NEXT: store i7 [[C]], ptr [[P:%.*]], align 1 |
| ; CHECK-NEXT: ret i7 3 |
| ; |
| %B = or i7 %A, 3 |
| %C = xor i7 %B, 12 |
| store i7 %C, ptr %P |
| %r = and i7 %C, 3 |
| ret i7 %r |
| } |
| |
| define i47 @test7(i47 %A) { |
| ; CHECK-LABEL: @test7( |
| ; CHECK-NEXT: [[TMP1:%.*]] = lshr i47 [[A:%.*]], 39 |
| ; CHECK-NEXT: ret i47 [[TMP1]] |
| ; |
| %X = ashr i47 %A, 39 ;; sign extend |
| %C1 = and i47 %X, 255 |
| ret i47 %C1 |
| } |
| |
| ; Integer BitWidth > 64 && BitWidth <= 1024. |
| |
| define i999 @test8(i999 %A) { |
| ; CHECK-LABEL: @test8( |
| ; CHECK-NEXT: ret i999 0 |
| ; |
| %B = and i999 %A, 0 ; zero result |
| ret i999 %B |
| } |
| |
| define i1005 @test9(i1005 %x) { |
| ; CHECK-LABEL: @test9( |
| ; CHECK-NEXT: ret i1005 [[X:%.*]] |
| ; |
| %tmp.2 = and i1005 %x, -1 ; noop |
| ret i1005 %tmp.2 |
| } |
| |
| define i123 @test10(i123 %x) { |
| ; CHECK-LABEL: @test10( |
| ; CHECK-NEXT: ret i123 0 |
| ; |
| %tmp.0 = and i123 %x, 127 |
| %tmp.2 = and i123 %tmp.0, 128 |
| ret i123 %tmp.2 |
| } |
| |
| define i1 @test11(i737 %x) { |
| ; CHECK-LABEL: @test11( |
| ; CHECK-NEXT: [[B:%.*]] = icmp ugt i737 [[X:%.*]], 2147483647 |
| ; CHECK-NEXT: ret i1 [[B]] |
| ; |
| %A = and i737 %x, -2147483648 |
| %B = icmp ne i737 %A, 0 |
| ret i1 %B |
| } |
| |
| define i117 @test12(i117 %A, ptr %P) { |
| ; CHECK-LABEL: @test12( |
| ; CHECK-NEXT: [[TMP1:%.*]] = and i117 [[A:%.*]], -4 |
| ; CHECK-NEXT: [[C:%.*]] = xor i117 [[TMP1]], 15 |
| ; CHECK-NEXT: store i117 [[C]], ptr [[P:%.*]], align 4 |
| ; CHECK-NEXT: ret i117 3 |
| ; |
| %B = or i117 %A, 3 |
| %C = xor i117 %B, 12 |
| store i117 %C, ptr %P |
| %r = and i117 %C, 3 |
| ret i117 %r |
| } |
| |
| define i1024 @test13(i1024 %A) { |
| ; CHECK-LABEL: @test13( |
| ; CHECK-NEXT: [[TMP1:%.*]] = lshr i1024 [[A:%.*]], 1016 |
| ; CHECK-NEXT: ret i1024 [[TMP1]] |
| ; |
| %X = ashr i1024 %A, 1016 ;; sign extend |
| %C1 = and i1024 %X, 255 |
| ret i1024 %C1 |
| } |
| |