[wasm] Introduce the TrapIf and TrapUnless operators to generate trap code.

test/cctest/wasm/test-run-wasm.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/base/platform/elapsed-timer.h"
 #include "src/utils.h"
@@ skipping 368 matching lines @@
   BUILD(r, WASM_I32_SAR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_INT32_INPUTS(i) {
     FOR_INT32_INPUTS(j) {
       int32_t expected = (*i) >> (*j & 0x1f);
       CHECK_EQ(expected, r.Call(*i, *j));
     }
   }
 }
 
-WASM_EXEC_TEST(Int32DivS_trap) {
+WASM_EXEC_TEST_WITH_TRAP(Int32DivS_trap) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32(),
                         MachineType::Int32());
   BUILD(r, WASM_I32_DIVS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(0, 100));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, -1));
   CHECK_TRAP(r.Call(kMin, 0));
 }
 
-WASM_EXEC_TEST(Int32RemS_trap) {
+WASM_EXEC_TEST_WITH_TRAP(Int32RemS_trap) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32(),
                         MachineType::Int32());
   BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(33, r.Call(133, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }
 
-WASM_EXEC_TEST(Int32DivU_trap) {
+WASM_EXEC_TEST_WITH_TRAP(Int32DivU_trap) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32(),
                         MachineType::Int32());
   BUILD(r, WASM_I32_DIVU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(0, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }
 
-WASM_EXEC_TEST(Int32RemU_trap) {
+WASM_EXEC_TEST_WITH_TRAP(Int32RemU_trap) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32(),
                         MachineType::Int32());
   BUILD(r, WASM_I32_REMU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   CHECK_EQ(17, r.Call(217, 100));
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
   CHECK_EQ(kMin, r.Call(kMin, -1));
 }
 
-WASM_EXEC_TEST(Int32DivS_byzero_const) {
+WASM_EXEC_TEST_WITH_TRAP(Int32DivS_byzero_const) {
   for (int8_t denom = -2; denom < 8; ++denom) {
     WasmRunner<int32_t> r(execution_mode, MachineType::Int32());
     BUILD(r, WASM_I32_DIVS(WASM_GET_LOCAL(0), WASM_I8(denom)));
     for (int32_t val = -7; val < 8; ++val) {
       if (denom == 0) {
         CHECK_TRAP(r.Call(val));
       } else {
         CHECK_EQ(val / denom, r.Call(val));
       }
     }
@@ skipping 29 matching lines @@
         CHECK_EQ(0, r.Call(*i));
       } else if (denom == -1 && *i == std::numeric_limits<int32_t>::min()) {
         CHECK_EQ(0, r.Call(*i));
       } else {
         CHECK_EQ(*i % denom, r.Call(*i));
       }
     }
   }
 }
 
-WASM_EXEC_TEST(Int32DivU_byzero_const) {
+WASM_EXEC_TEST_WITH_TRAP(Int32DivU_byzero_const) {
   for (uint32_t denom = 0xfffffffe; denom < 8; ++denom) {
     WasmRunner<uint32_t> r(execution_mode, MachineType::Uint32());
     BUILD(r, WASM_I32_DIVU(WASM_GET_LOCAL(0), WASM_I32V_1(denom)));
 
     for (uint32_t val = 0xfffffff0; val < 8; ++val) {
       if (denom == 0) {
         CHECK_TRAP(r.Call(val));
       } else {
         CHECK_EQ(val / denom, r.Call(val));
       }
     }
   }
 }
 
-WASM_EXEC_TEST(Int32DivS_trap_effect) {
+WASM_EXEC_TEST_WITH_TRAP(Int32DivS_trap_effect) {
   TestingModule module(execution_mode);
   module.AddMemoryElems<int32_t>(8);
   WasmRunner<int32_t> r(&module, MachineType::Int32(), MachineType::Int32());
 
   BUILD(r, WASM_IF_ELSE_I(
                WASM_GET_LOCAL(0),
                WASM_I32_DIVS(
                    WASM_BLOCK_I(WASM_STORE_MEM(MachineType::Int8(), WASM_ZERO,
                                                WASM_GET_LOCAL(0)),
                                 WASM_GET_LOCAL(0)),
@@ skipping 589 matching lines @@
                           WASM_F32_REINTERPRET_I32(WASM_GET_LOCAL(0))),
         WASM_I8(107));
 
   FOR_INT32_INPUTS(i) {
     int32_t expected = *i;
     CHECK_EQ(107, r.Call(expected));
     CHECK_EQ(expected, module.ReadMemory(&memory[0]));
   }
 }
 
-WASM_EXEC_TEST(LoadMaxUint32Offset) {
+WASM_EXEC_TEST_WITH_TRAP(LoadMaxUint32Offset) {
   TestingModule module(execution_mode);
   module.AddMemoryElems<int32_t>(8);
   WasmRunner<int32_t> r(&module);
 
   BUILD(r, kExprI8Const, 0,  // index
         static_cast<byte>(v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(
             MachineType::Int32(), false)),  // --
         0,                                  // alignment
         U32V_5(0xffffffff));                // offset
 
@@ skipping 382 matching lines @@
     CHECK_EQ(0x1a2b3c4d, r.Call(0));
 
     module.WriteMemory(&memory[0], 0x5e6f7a8b);
     CHECK_EQ(0x5e6f7a8b, r.Call(0));
 
     module.WriteMemory(&memory[0], 0x7ca0b1c2);
     CHECK_EQ(0x7ca0b1c2, r.Call(0));
   }
 }
 
-WASM_EXEC_TEST(LoadMemI32_oob) {
+WASM_EXEC_TEST_WITH_TRAP(LoadMemI32_oob) {
   TestingModule module(execution_mode);
   int32_t* memory = module.AddMemoryElems<int32_t>(8);
   WasmRunner<int32_t> r(&module, MachineType::Uint32());
   module.RandomizeMemory(1111);
 
   BUILD(r, WASM_LOAD_MEM(MachineType::Int32(), WASM_GET_LOCAL(0)));
 
   module.WriteMemory(&memory[0], 88888888);
   CHECK_EQ(88888888, r.Call(0u));
   for (uint32_t offset = 29; offset < 40; ++offset) {
     CHECK_TRAP(r.Call(offset));
   }
 
   for (uint32_t offset = 0x80000000; offset < 0x80000010; ++offset) {
     CHECK_TRAP(r.Call(offset));
   }
 }
 
-WASM_EXEC_TEST(LoadMem_offset_oob) {
+WASM_EXEC_TEST_WITH_TRAP(LoadMem_offset_oob) {
   TestingModule module(execution_mode);
   module.AddMemoryElems<int32_t>(8);
 
   static const MachineType machineTypes[] = {
       MachineType::Int8(),   MachineType::Uint8(),  MachineType::Int16(),
       MachineType::Uint16(), MachineType::Int32(),  MachineType::Uint32(),
       MachineType::Int64(),  MachineType::Uint64(), MachineType::Float32(),
       MachineType::Float64()};
 
   for (size_t m = 0; m < arraysize(machineTypes); ++m) {
@@ skipping 30 matching lines @@
 
   module.WriteMemory(&memory[0], 11111111);
   module.WriteMemory(&memory[1], 22222222);
   module.WriteMemory(&memory[2], 33333333);
   module.WriteMemory(&memory[3], 44444444);
   CHECK_EQ(22222222, r.Call(0));
   CHECK_EQ(33333333, r.Call(4));
   CHECK_EQ(44444444, r.Call(8));
 }
 
-WASM_EXEC_TEST(LoadMemI32_const_oob_misaligned) {
+WASM_EXEC_TEST_WITH_TRAP(LoadMemI32_const_oob_misaligned) {
   const int kMemSize = 12;
   // TODO(titzer): Fix misaligned accesses on MIPS and re-enable.
   for (int offset = 0; offset < kMemSize + 5; ++offset) {
     for (int index = 0; index < kMemSize + 5; ++index) {
       TestingModule module(execution_mode);
       module.AddMemoryElems<byte>(kMemSize);
 
       WasmRunner<int32_t> r(&module);
       module.RandomizeMemory();
 
       BUILD(r,
             WASM_LOAD_MEM_OFFSET(MachineType::Int32(), offset, WASM_I8(index)));
 
       if ((offset + index) <= static_cast<int>((kMemSize - sizeof(int32_t)))) {
         CHECK_EQ(module.raw_val_at<int32_t>(offset + index), r.Call());
       } else {
         CHECK_TRAP(r.Call());
       }
     }
   }
 }
 
-WASM_EXEC_TEST(LoadMemI32_const_oob) {
+WASM_EXEC_TEST_WITH_TRAP(LoadMemI32_const_oob) {
   const int kMemSize = 24;
   for (int offset = 0; offset < kMemSize + 5; offset += 4) {
     for (int index = 0; index < kMemSize + 5; index += 4) {
       TestingModule module(execution_mode);
       module.AddMemoryElems<byte>(kMemSize);
 
       WasmRunner<int32_t> r(&module);
       module.RandomizeMemory();
 
       BUILD(r,
@@ skipping 43 matching lines @@
     module.WriteMemory(&memory[2], 88888888);
     module.WriteMemory(&memory[3], 99999999);
     CHECK_EQ(kWritten, r.Call(i * 4));
     CHECK_EQ(66666666, module.ReadMemory(&memory[0]));
     CHECK_EQ(i == 0 ? kWritten : 77777777, module.ReadMemory(&memory[1]));
     CHECK_EQ(i == 1 ? kWritten : 88888888, module.ReadMemory(&memory[2]));
     CHECK_EQ(i == 2 ? kWritten : 99999999, module.ReadMemory(&memory[3]));
   }
 }
 
-WASM_EXEC_TEST(StoreMem_offset_oob) {
+WASM_EXEC_TEST_WITH_TRAP(StoreMem_offset_oob) {
   TestingModule module(execution_mode);
   byte* memory = module.AddMemoryElems<byte>(32);
 
   // 64-bit cases are handled in test-run-wasm-64.cc
   static const MachineType machineTypes[] = {
       MachineType::Int8(),    MachineType::Uint8(),  MachineType::Int16(),
       MachineType::Uint16(),  MachineType::Int32(),  MachineType::Uint32(),
       MachineType::Float32(), MachineType::Float64()};
 
   for (size_t m = 0; m < arraysize(machineTypes); ++m) {
@@ skipping 921 matching lines @@
                               WASM_BRV(1, WASM_I8(12))),
                WASM_IF_ELSE_I(WASM_GET_LOCAL(1), WASM_BRV(0, WASM_I8(13)),
                               WASM_BRV(1, WASM_I8(14))))));
 
   CHECK_EQ(11, r.Call(1, 1));
   CHECK_EQ(12, r.Call(1, 0));
   CHECK_EQ(13, r.Call(0, 1));
   CHECK_EQ(14, r.Call(0, 0));
 }
 
-WASM_EXEC_TEST(SimpleCallIndirect) {
+WASM_EXEC_TEST_WITH_TRAP(SimpleCallIndirect) {
   TestSignatures sigs;
   TestingModule module(execution_mode);
 
   WasmFunctionCompiler t1(sigs.i_ii(), &module);
   BUILD(t1, WASM_I32_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t1.CompileAndAdd(/*sig_index*/ 1);
 
   WasmFunctionCompiler t2(sigs.i_ii(), &module);
   BUILD(t2, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t2.CompileAndAdd(/*sig_index*/ 1);
@@ skipping 11 matching lines @@
 
   // Builder the caller function.
   WasmRunner<int32_t> r(&module, MachineType::Int32());
   BUILD(r, WASM_CALL_INDIRECT2(1, WASM_GET_LOCAL(0), WASM_I8(66), WASM_I8(22)));
 
   CHECK_EQ(88, r.Call(0));
   CHECK_EQ(44, r.Call(1));
   CHECK_TRAP(r.Call(2));
 }
 
-WASM_EXEC_TEST(MultipleCallIndirect) {
+WASM_EXEC_TEST_WITH_TRAP(MultipleCallIndirect) {
   TestSignatures sigs;
   TestingModule module(execution_mode);
 
   WasmFunctionCompiler t1(sigs.i_ii(), &module);
   BUILD(t1, WASM_I32_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t1.CompileAndAdd(/*sig_index*/ 1);
 
   WasmFunctionCompiler t2(sigs.i_ii(), &module);
   BUILD(t2, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t2.CompileAndAdd(/*sig_index*/ 1);
@@ skipping 22 matching lines @@
   CHECK_EQ(19, r.Call(0, 1, 9));
   CHECK_EQ(1, r.Call(1, 0, 2));
   CHECK_EQ(1, r.Call(1, 0, 9));
 
   CHECK_TRAP(r.Call(0, 2, 1));
   CHECK_TRAP(r.Call(1, 2, 0));
   CHECK_TRAP(r.Call(2, 0, 1));
   CHECK_TRAP(r.Call(2, 1, 0));
 }
 
-WASM_EXEC_TEST(CallIndirect_EmptyTable) {
+WASM_EXEC_TEST_WITH_TRAP(CallIndirect_EmptyTable) {
   TestSignatures sigs;
   TestingModule module(execution_mode);
 
   // One function.
   WasmFunctionCompiler t1(sigs.i_ii(), &module);
   BUILD(t1, WASM_I32_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t1.CompileAndAdd(/*sig_index*/ 1);
 
   // Signature table.
   module.AddSignature(sigs.f_ff());
   module.AddSignature(sigs.i_ii());
   module.AddIndirectFunctionTable(nullptr, 0);
 
   // Builder the caller function.
   WasmRunner<int32_t> r(&module, MachineType::Int32());
   BUILD(r, WASM_CALL_INDIRECT2(1, WASM_GET_LOCAL(0), WASM_I8(66), WASM_I8(22)));
 
   CHECK_TRAP(r.Call(0));
   CHECK_TRAP(r.Call(1));
   CHECK_TRAP(r.Call(2));
 }
 
-WASM_EXEC_TEST(CallIndirect_canonical) {
+WASM_EXEC_TEST_WITH_TRAP(CallIndirect_canonical) {
   TestSignatures sigs;
   TestingModule module(execution_mode);
 
   WasmFunctionCompiler t1(sigs.i_ii(), &module);
   BUILD(t1, WASM_I32_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t1.CompileAndAdd(/*sig_index*/ 0);
 
   WasmFunctionCompiler t2(sigs.i_ii(), &module);
   BUILD(t2, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   t2.CompileAndAdd(/*sig_index*/ 1);
@@ skipping 121 matching lines @@
   BUILD(r, WASM_F64_MAX(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_FLOAT64_INPUTS(i) {
     FOR_FLOAT64_INPUTS(j) {
       double result = r.Call(*i, *j);
       CHECK_DOUBLE_EQ(JSMax(*i, *j), result);
     }
   }
 }
 
-WASM_EXEC_TEST(I32SConvertF32) {
+WASM_EXEC_TEST_WITH_TRAP(I32SConvertF32) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I32_SCONVERT_F32(WASM_GET_LOCAL(0)));
 
   // The upper bound is (INT32_MAX + 1), which is the lowest float-representable
   // number above INT32_MAX which cannot be represented as int32.
   float upper_bound = 2147483648.0f;
   // We use INT32_MIN as a lower bound because (INT32_MIN - 1) is not
   // representable as float, and no number between (INT32_MIN - 1) and INT32_MIN
   // is.
   float lower_bound = static_cast<float>(INT32_MIN);
   FOR_FLOAT32_INPUTS(i) {
     if (*i < upper_bound && *i >= lower_bound) {
       CHECK_EQ(static_cast<int32_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP32(r.Call(*i));
     }
   }
 }
 
-WASM_EXEC_TEST(I32SConvertF64) {
+WASM_EXEC_TEST_WITH_TRAP(I32SConvertF64) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I32_SCONVERT_F64(WASM_GET_LOCAL(0)));
 
   // The upper bound is (INT32_MAX + 1), which is the lowest double-
   // representable number above INT32_MAX which cannot be represented as int32.
   double upper_bound = 2147483648.0;
   // The lower bound is (INT32_MIN - 1), which is the greatest double-
   // representable number below INT32_MIN which cannot be represented as int32.
   double lower_bound = -2147483649.0;
   FOR_FLOAT64_INPUTS(i) {
     if (*i<upper_bound&& * i> lower_bound) {
       CHECK_EQ(static_cast<int32_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP32(r.Call(*i));
     }
   }
 }
 
-WASM_EXEC_TEST(I32UConvertF32) {
+WASM_EXEC_TEST_WITH_TRAP(I32UConvertF32) {
   WasmRunner<uint32_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I32_UCONVERT_F32(WASM_GET_LOCAL(0)));
   // The upper bound is (UINT32_MAX + 1), which is the lowest
   // float-representable number above UINT32_MAX which cannot be represented as
   // uint32.
   double upper_bound = 4294967296.0f;
   double lower_bound = -1.0f;
   FOR_FLOAT32_INPUTS(i) {
     if (*i<upper_bound&& * i> lower_bound) {
       CHECK_EQ(static_cast<uint32_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP32(r.Call(*i));
     }
   }
 }
 
-WASM_EXEC_TEST(I32UConvertF64) {
+WASM_EXEC_TEST_WITH_TRAP(I32UConvertF64) {
   WasmRunner<uint32_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I32_UCONVERT_F64(WASM_GET_LOCAL(0)));
   // The upper bound is (UINT32_MAX + 1), which is the lowest
   // double-representable number above UINT32_MAX which cannot be represented as
   // uint32.
   double upper_bound = 4294967296.0;
   double lower_bound = -1.0;
   FOR_FLOAT64_INPUTS(i) {
     if (*i<upper_bound&& * i> lower_bound) {
       CHECK_EQ(static_cast<uint32_t>(*i), r.Call(*i));
@@ skipping 51 matching lines @@
     t.Compile();
   }
 }
 
 TEST(Compile_Wasm_CallIndirect_Many_i32) { CompileCallIndirectMany(kAstI32); }
 
 TEST(Compile_Wasm_CallIndirect_Many_f32) { CompileCallIndirectMany(kAstF32); }
 
 TEST(Compile_Wasm_CallIndirect_Many_f64) { CompileCallIndirectMany(kAstF64); }
 
-WASM_EXEC_TEST(Int32RemS_dead) {
+WASM_EXEC_TEST_WITH_TRAP(Int32RemS_dead) {
   WasmRunner<int32_t> r(execution_mode, MachineType::Int32(),
                         MachineType::Int32());
   BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_DROP,
         WASM_ZERO);
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(133, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_EQ(0, r.Call(0, 1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }