diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/and.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/and.ll b/llvm/test/Transforms/InstCombine/and.ll index 9a4d1e5758b..1816b2402e3 100644 --- a/llvm/test/Transforms/InstCombine/and.ll +++ b/llvm/test/Transforms/InstCombine/and.ll @@ -613,3 +613,37 @@ final: %value = and <2 x i32> %A, <i32 123, i32 333> ret <2 x i32> %value } + +define i32 @test42(i32 %a, i32 %c, i32 %d) { +; CHECK-LABEL: @test42( +; CHECK-NEXT: [[FORCE:%.*]] = mul i32 [[C:%.*]], [[D:%.*]] +; CHECK-NEXT: [[OR:%.*]] = or i32 [[FORCE]], [[A:%.*]] +; CHECK-NEXT: [[NOTA:%.*]] = xor i32 [[A]], -1 +; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[FORCE]], [[NOTA]] +; CHECK-NEXT: [[AND:%.*]] = and i32 [[XOR]], [[OR]] +; CHECK-NEXT: ret i32 [[AND]] +; + %force = mul i32 %c, %d ; forces the complexity sorting + %or = or i32 %a, %force + %nota = xor i32 %a, -1 + %xor = xor i32 %nota, %force + %and = and i32 %xor, %or + ret i32 %and +} + +define i32 @test43(i32 %a, i32 %c, i32 %d) { +; CHECK-LABEL: @test43( +; CHECK-NEXT: [[FORCE:%.*]] = mul i32 [[C:%.*]], [[D:%.*]] +; CHECK-NEXT: [[OR:%.*]] = or i32 [[FORCE]], [[A:%.*]] +; CHECK-NEXT: [[NOTA:%.*]] = xor i32 [[A]], -1 +; CHECK-NEXT: [[XOR:%.*]] = xor i32 [[FORCE]], [[NOTA]] +; CHECK-NEXT: [[AND:%.*]] = and i32 [[OR]], [[XOR]] +; CHECK-NEXT: ret i32 [[AND]] +; + %force = mul i32 %c, %d ; forces the complexity sorting + %or = or i32 %a, %force + %nota = xor i32 %a, -1 + %xor = xor i32 %nota, %force + %and = and i32 %or, %xor + ret i32 %and +} |
