// RUN: %clang_cc1 -x c -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s // RUN: %clang_cc1 -x c++ -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s #include unsigned char test_addcarry_u32(unsigned char __cf, unsigned int __x, unsigned int __y, unsigned int *__p) { // CHECK-LABEL: test_addcarry_u32 // CHECK: [[ADC:%.*]] = call { i8, i32 } @llvm.x86.addcarry.32 // CHECK: [[DATA:%.*]] = extractvalue { i8, i32 } [[ADC]], 1 // CHECK: store i32 [[DATA]], ptr %{{.*}} // CHECK: [[CF:%.*]] = extractvalue { i8, i32 } [[ADC]], 0 return _addcarry_u32(__cf, __x, __y, __p); } unsigned char test_addcarry_u64(unsigned char __cf, unsigned long long __x, unsigned long long __y, unsigned long long *__p) { // CHECK-LABEL: test_addcarry_u64 // CHECK: [[ADC:%.*]] = call { i8, i64 } @llvm.x86.addcarry.64 // CHECK: [[DATA:%.*]] = extractvalue { i8, i64 } [[ADC]], 1 // CHECK: store i64 [[DATA]], ptr %{{.*}} // CHECK: [[CF:%.*]] = extractvalue { i8, i64 } [[ADC]], 0 return _addcarry_u64(__cf, __x, __y, __p); } unsigned char test_subborrow_u32(unsigned char __cf, unsigned int __x, unsigned int __y, unsigned int *__p) { // CHECK-LABEL: test_subborrow_u32 // CHECK: [[SBB:%.*]] = call { i8, i32 } @llvm.x86.subborrow.32 // CHECK: [[DATA:%.*]] = extractvalue { i8, i32 } [[SBB]], 1 // CHECK: store i32 [[DATA]], ptr %{{.*}} // CHECK: [[CF:%.*]] = extractvalue { i8, i32 } [[SBB]], 0 return _subborrow_u32(__cf, __x, __y, __p); } unsigned char test_subborrow_u64(unsigned char __cf, unsigned long long __x, unsigned long long __y, unsigned long long *__p) { // CHECK-LABEL: test_subborrow_u64 // CHECK: [[SBB:%.*]] = call { i8, i64 } @llvm.x86.subborrow.64 // CHECK: [[DATA:%.*]] = extractvalue { i8, i64 } [[SBB]], 1 // CHECK: store i64 [[DATA]], ptr %{{.*}} // CHECK: [[CF:%.*]] = extractvalue { i8, i64 } [[SBB]], 0 return _subborrow_u64(__cf, __x, __y, __p); } // Test constexpr handling. #if defined(__cplusplus) && (__cplusplus >= 201103L) template struct Result { unsigned char A; X B; constexpr bool operator==(const Result &Other) { return A == Other.A && B == Other.B; } }; constexpr Result const_test_addcarry_u32(unsigned char __cf, unsigned int __x, unsigned int __y) { unsigned int __r{}; return { _addcarry_u32(__cf, __x, __y, &__r), __r }; } void constexpr adcu32() { static_assert(const_test_addcarry_u32(0, 0x00000000, 0x00000000) == Result{0, 0x00000000}); static_assert(const_test_addcarry_u32(1, 0xFFFFFFFE, 0x00000000) == Result{0, 0xFFFFFFFF}); static_assert(const_test_addcarry_u32(1, 0xFFFFFFFE, 0x00000001) == Result{1, 0x00000000}); static_assert(const_test_addcarry_u32(0, 0xFFFFFFFF, 0xFFFFFFFF) == Result{1, 0xFFFFFFFE}); static_assert(const_test_addcarry_u32(1, 0xFFFFFFFF, 0xFFFFFFFF) == Result{1, 0xFFFFFFFF}); } constexpr Result const_test_subborrow_u32(unsigned char __cf, unsigned int __x, unsigned int __y) { unsigned int __r{}; return { _subborrow_u32(__cf, __x, __y, &__r), __r }; } void constexpr sbbu32() { static_assert(const_test_subborrow_u32(0, 0x00000000, 0x00000000) == Result{0, 0x00000000}); static_assert(const_test_subborrow_u32(0, 0x00000000, 0x00000001) == Result{1, 0xFFFFFFFF}); static_assert(const_test_subborrow_u32(1, 0x00000000, 0x00000001) == Result{1, 0xFFFFFFFE}); static_assert(const_test_subborrow_u32(1, 0xFFFFFFFE, 0x00000000) == Result{0, 0xFFFFFFFD}); static_assert(const_test_subborrow_u32(1, 0xFFFFFFFE, 0x00000001) == Result{0, 0xFFFFFFFC}); static_assert(const_test_subborrow_u32(0, 0xFFFFFFFF, 0xFFFFFFFF) == Result{0, 0x00000000}); static_assert(const_test_subborrow_u32(1, 0xFFFFFFFF, 0xFFFFFFFF) == Result{1, 0xFFFFFFFF}); } constexpr Result const_test_addcarry_u64(unsigned char __cf, unsigned long long __x, unsigned long long __y) { unsigned long long __r{}; return { _addcarry_u64(__cf, __x, __y, &__r), __r }; } void constexpr adcu64() { static_assert(const_test_addcarry_u64(0, 0x0000000000000000ULL, 0x0000000000000000ULL) == Result{0, 0x0000000000000000ULL}); static_assert(const_test_addcarry_u64(1, 0xFFFFFFFFFFFFFFFEULL, 0x0000000000000000ULL) == Result{0, 0xFFFFFFFFFFFFFFFFULL}); static_assert(const_test_addcarry_u64(1, 0xFFFFFFFFFFFFFFFEULL, 0x0000000000000001ULL) == Result{1, 0x0000000000000000ULL}); static_assert(const_test_addcarry_u64(0, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL) == Result{1, 0xFFFFFFFFFFFFFFFEULL}); static_assert(const_test_addcarry_u64(1, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL) == Result{1, 0xFFFFFFFFFFFFFFFFULL}); } constexpr Result const_test_subborrow_u64(unsigned char __cf, unsigned long long __x, unsigned long long __y) { unsigned long long __r{}; return { _subborrow_u64(__cf, __x, __y, &__r), __r }; } void constexpr sbbu64() { static_assert(const_test_subborrow_u64(0, 0x0000000000000000ULL, 0x0000000000000000ULL) == Result{0, 0x0000000000000000ULL}); static_assert(const_test_subborrow_u64(0, 0x0000000000000000ULL, 0x0000000000000001ULL) == Result{1, 0xFFFFFFFFFFFFFFFFULL}); static_assert(const_test_subborrow_u64(1, 0x0000000000000000ULL, 0x0000000000000001ULL) == Result{1, 0xFFFFFFFFFFFFFFFEULL}); static_assert(const_test_subborrow_u64(1, 0xFFFFFFFFFFFFFFFEULL, 0x0000000000000000ULL) == Result{0, 0xFFFFFFFFFFFFFFFDULL}); static_assert(const_test_subborrow_u64(1, 0xFFFFFFFFFFFFFFFEULL, 0x0000000000000001ULL) == Result{0, 0xFFFFFFFFFFFFFFFCULL}); static_assert(const_test_subborrow_u64(0, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL) == Result{0, 0x0000000000000000ULL}); static_assert(const_test_subborrow_u64(1, 0xFFFFFFFFFFFFFFFFULL, 0xFFFFFFFFFFFFFFFFULL) == Result{1, 0xFFFFFFFFFFFFFFFFULL}); } #endif