67 lines · c
1// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 32// RUN: %clang_cc1 -triple=x86_64 -emit-llvm -o - -std=c23 %s | FileCheck %s3 4#include <stdckdint.h>5#include <stdint.h>6 7// CHECK-LABEL: define dso_local void @test_add_overflow_to64(8// CHECK-SAME: ) #[[ATTR0:[0-9]+]] {9// CHECK-NEXT: entry:10// CHECK-NEXT: [[RESULT64:%.*]] = alloca i64, align 811// CHECK-NEXT: [[FLAG_ADD:%.*]] = alloca i8, align 112// CHECK-NEXT: store i64 0, ptr [[RESULT64]], align 813// CHECK-NEXT: [[TMP0:%.*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 2147483647, i64 1)14// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i64, i1 } [[TMP0]], 115// CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i64, i1 } [[TMP0]], 016// CHECK-NEXT: store i64 [[TMP2]], ptr [[RESULT64]], align 817// CHECK-NEXT: [[FROMBOOL:%.*]] = zext i1 [[TMP1]] to i818// CHECK-NEXT: store i8 [[FROMBOOL]], ptr [[FLAG_ADD]], align 119// CHECK-NEXT: ret void20//21void test_add_overflow_to64() {22 int64_t result64 = 0;23 bool flag_add = ckd_add(&result64, INT32_MAX, 1);24}25 26// CHECK-LABEL: define dso_local void @test_sub_overflow(27// CHECK-SAME: ) #[[ATTR0]] {28// CHECK-NEXT: entry:29// CHECK-NEXT: [[RESULT32:%.*]] = alloca i32, align 430// CHECK-NEXT: [[FLAG_SUB:%.*]] = alloca i8, align 131// CHECK-NEXT: store i32 0, ptr [[RESULT32]], align 432// CHECK-NEXT: [[TMP0:%.*]] = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 2147483647, i32 -1)33// CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i32, i1 } [[TMP0]], 134// CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i32, i1 } [[TMP0]], 035// CHECK-NEXT: store i32 [[TMP2]], ptr [[RESULT32]], align 436// CHECK-NEXT: [[FROMBOOL:%.*]] = zext i1 [[TMP1]] to i837// CHECK-NEXT: store i8 [[FROMBOOL]], ptr [[FLAG_SUB]], align 138// CHECK-NEXT: ret void39//40void test_sub_overflow() {41 int32_t result32 = 0;42 bool flag_sub = ckd_sub(&result32, INT32_MAX, -1);43}44 45// CHECK-LABEL: define dso_local void @test_mul_normal(46// CHECK-SAME: ) #[[ATTR0]] {47// CHECK-NEXT: entry:48// CHECK-NEXT: [[A:%.*]] = alloca i32, align 449// CHECK-NEXT: [[RESULT:%.*]] = alloca i32, align 450// CHECK-NEXT: [[FLAG_MUL:%.*]] = alloca i8, align 151// CHECK-NEXT: store i32 3, ptr [[A]], align 452// CHECK-NEXT: store i32 0, ptr [[RESULT]], align 453// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[A]], align 454// CHECK-NEXT: [[TMP1:%.*]] = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 [[TMP0]], i32 2)55// CHECK-NEXT: [[TMP2:%.*]] = extractvalue { i32, i1 } [[TMP1]], 156// CHECK-NEXT: [[TMP3:%.*]] = extractvalue { i32, i1 } [[TMP1]], 057// CHECK-NEXT: store i32 [[TMP3]], ptr [[RESULT]], align 458// CHECK-NEXT: [[FROMBOOL:%.*]] = zext i1 [[TMP2]] to i859// CHECK-NEXT: store i8 [[FROMBOOL]], ptr [[FLAG_MUL]], align 160// CHECK-NEXT: ret void61//62void test_mul_normal() {63 int a = 3;64 int result = 0;65 bool flag_mul = ckd_mul(&result, a, 2);66}67