// 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; }