| // Test CodeGen for Security Check Overflow Builtins. |
| // rdar://13421498 |
| |
| // RUN: %clang_cc1 -triple "i686-unknown-unknown" -emit-llvm -x c %s -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple "x86_64-unknown-unknown" -emit-llvm -x c %s -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple "x86_64-mingw32" -emit-llvm -x c %s -o - | FileCheck %s |
| |
| extern unsigned UnsignedErrorCode; |
| extern unsigned long UnsignedLongErrorCode; |
| extern unsigned long long UnsignedLongLongErrorCode; |
| extern int IntErrorCode; |
| extern long LongErrorCode; |
| extern long long LongLongErrorCode; |
| |
| unsigned test_uadd_overflow(unsigned x, unsigned y) { |
| // CHECK: @test_uadd_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| unsigned result; |
| if (__builtin_uadd_overflow(x, y, &result)) |
| return UnsignedErrorCode; |
| return result; |
| } |
| |
| unsigned long test_uaddl_overflow(unsigned long x, unsigned long y) { |
| // CHECK: @test_uaddl_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.uadd.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| unsigned long result; |
| if (__builtin_uaddl_overflow(x, y, &result)) |
| return UnsignedLongErrorCode; |
| return result; |
| } |
| |
| unsigned long long test_uaddll_overflow(unsigned long long x, unsigned long long y) { |
| // CHECK: @test_uaddll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| unsigned long long result; |
| if (__builtin_uaddll_overflow(x, y, &result)) |
| return UnsignedLongLongErrorCode; |
| return result; |
| } |
| |
| unsigned test_usub_overflow(unsigned x, unsigned y) { |
| // CHECK: @test_usub_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.usub.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| unsigned result; |
| if (__builtin_usub_overflow(x, y, &result)) |
| return UnsignedErrorCode; |
| return result; |
| } |
| |
| unsigned long test_usubl_overflow(unsigned long x, unsigned long y) { |
| // CHECK: @test_usubl_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.usub.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| unsigned long result; |
| if (__builtin_usubl_overflow(x, y, &result)) |
| return UnsignedLongErrorCode; |
| return result; |
| } |
| |
| unsigned long long test_usubll_overflow(unsigned long long x, unsigned long long y) { |
| // CHECK: @test_usubll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.usub.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| unsigned long long result; |
| if (__builtin_usubll_overflow(x, y, &result)) |
| return UnsignedLongLongErrorCode; |
| return result; |
| } |
| |
| unsigned test_umul_overflow(unsigned x, unsigned y) { |
| // CHECK: @test_umul_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| unsigned result; |
| if (__builtin_umul_overflow(x, y, &result)) |
| return UnsignedErrorCode; |
| return result; |
| } |
| |
| unsigned long test_umull_overflow(unsigned long x, unsigned long y) { |
| // CHECK: @test_umull_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.umul.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| unsigned long result; |
| if (__builtin_umull_overflow(x, y, &result)) |
| return UnsignedLongErrorCode; |
| return result; |
| } |
| |
| unsigned long long test_umulll_overflow(unsigned long long x, unsigned long long y) { |
| // CHECK: @test_umulll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| unsigned long long result; |
| if (__builtin_umulll_overflow(x, y, &result)) |
| return UnsignedLongLongErrorCode; |
| return result; |
| } |
| |
| int test_sadd_overflow(int x, int y) { |
| // CHECK: @test_sadd_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.sadd.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| int result; |
| if (__builtin_sadd_overflow(x, y, &result)) |
| return IntErrorCode; |
| return result; |
| } |
| |
| long test_saddl_overflow(long x, long y) { |
| // CHECK: @test_saddl_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.sadd.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| long result; |
| if (__builtin_saddl_overflow(x, y, &result)) |
| return LongErrorCode; |
| return result; |
| } |
| |
| long long test_saddll_overflow(long long x, long long y) { |
| // CHECK: @test_saddll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| long long result; |
| if (__builtin_saddll_overflow(x, y, &result)) |
| return LongLongErrorCode; |
| return result; |
| } |
| |
| int test_ssub_overflow(int x, int y) { |
| // CHECK: @test_ssub_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.ssub.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| int result; |
| if (__builtin_ssub_overflow(x, y, &result)) |
| return IntErrorCode; |
| return result; |
| } |
| |
| long test_ssubl_overflow(long x, long y) { |
| // CHECK: @test_ssubl_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.ssub.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| long result; |
| if (__builtin_ssubl_overflow(x, y, &result)) |
| return LongErrorCode; |
| return result; |
| } |
| |
| long long test_ssubll_overflow(long long x, long long y) { |
| // CHECK: @test_ssubll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| long long result; |
| if (__builtin_ssubll_overflow(x, y, &result)) |
| return LongLongErrorCode; |
| return result; |
| } |
| |
| int test_smul_overflow(int x, int y) { |
| // CHECK: @test_smul_overflow |
| // CHECK: %{{.+}} = call { i32, i1 } @llvm.smul.with.overflow.i32(i32 %{{.+}}, i32 %{{.+}}) |
| int result; |
| if (__builtin_smul_overflow(x, y, &result)) |
| return IntErrorCode; |
| return result; |
| } |
| |
| long test_smull_overflow(long x, long y) { |
| // CHECK: @test_smull_overflow([[UL:i32|i64]] %x |
| // CHECK: %{{.+}} = call { [[UL]], i1 } @llvm.smul.with.overflow.[[UL]]([[UL]] %{{.+}}, [[UL]] %{{.+}}) |
| long result; |
| if (__builtin_smull_overflow(x, y, &result)) |
| return LongErrorCode; |
| return result; |
| } |
| |
| long long test_smulll_overflow(long long x, long long y) { |
| // CHECK: @test_smulll_overflow |
| // CHECK: %{{.+}} = call { i64, i1 } @llvm.smul.with.overflow.i64(i64 %{{.+}}, i64 %{{.+}}) |
| long long result; |
| if (__builtin_smulll_overflow(x, y, &result)) |
| return LongLongErrorCode; |
| return result; |
| } |