adc-builtins.c 1.98 KB
// RUN: %clang_cc1 -ffreestanding -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s

#include <x86intrin.h>

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]], i32* %{{.*}}
// 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]], i64* %{{.*}}
// 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]], i32* %{{.*}}
// 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]], i64* %{{.*}}
// CHECK: [[CF:%.*]] = extractvalue { i8, i64 } [[SBB]], 0
  return _subborrow_u64(__cf, __x, __y, __p);
}