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Unified Diff: test/unittests/wasm/control-transfer-unittest.cc

Issue 2345593003: [wasm] Master CL for Binary 0xC changes. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Last comments update Created 4 years, 3 months ago
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« test/mjsunit/wasm/indirect-calls.js ('K') | « test/unittests/wasm/ast-decoder-unittest.cc ('k') | test/unittests/wasm/loop-assignment-analysis-unittest.cc » ('j') | no next file with comments »
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Index: test/unittests/wasm/control-transfer-unittest.cc
diff --git a/test/unittests/wasm/control-transfer-unittest.cc b/test/unittests/wasm/control-transfer-unittest.cc
index 2b67f12ef5152c295c5515be1baf2e1a5cd25b09..fce314ff3ef8fa50693c1162bc0ab80cb29550b6 100644
--- a/test/unittests/wasm/control-transfer-unittest.cc
+++ b/test/unittests/wasm/control-transfer-unittest.cc
@@ -24,30 +24,28 @@ namespace wasm {
#define B2(a, b) kExprBlock, a, b, kExprEnd
#define B3(a, b, c) kExprBlock, a, b, c, kExprEnd
-struct ExpectedTarget {
+#define TRANSFER_VOID 0
+#define TRANSFER_ONE 1
+
+struct ExpectedPcDelta {
pc_t pc;
- ControlTransfer expected;
+ pcdiff_t expected;
};
// For nicer error messages.
-class ControlTransferMatcher : public MatcherInterface<const ControlTransfer&> {
+class ControlTransferMatcher : public MatcherInterface<const pcdiff_t&> {
public:
- explicit ControlTransferMatcher(pc_t pc, const ControlTransfer& expected)
+ explicit ControlTransferMatcher(pc_t pc, const pcdiff_t& expected)
: pc_(pc), expected_(expected) {}
void DescribeTo(std::ostream* os) const override {
- *os << "@" << pc_ << " {pcdiff = " << expected_.pcdiff
- << ", spdiff = " << expected_.spdiff
- << ", action = " << expected_.action << "}";
+ *os << "@" << pc_ << " pcdiff = " << expected_;
}
- bool MatchAndExplain(const ControlTransfer& input,
+ bool MatchAndExplain(const pcdiff_t& input,
MatchResultListener* listener) const override {
- if (input.pcdiff != expected_.pcdiff || input.spdiff != expected_.spdiff ||
- input.action != expected_.action) {
- *listener << "@" << pc_ << " {pcdiff = " << input.pcdiff
- << ", spdiff = " << input.spdiff
- << ", action = " << input.action << "}";
+ if (input != expected_) {
+ *listener << "@" << pc_ << " pcdiff = " << input;
return false;
}
return true;
@@ -55,36 +53,43 @@ class ControlTransferMatcher : public MatcherInterface<const ControlTransfer&> {
private:
pc_t pc_;
- const ControlTransfer& expected_;
+ const pcdiff_t& expected_;
};
class ControlTransferTest : public TestWithZone {
public:
- void CheckControlTransfers(const byte* start, const byte* end,
- ExpectedTarget* expected_targets,
- size_t num_targets) {
+ void CheckPcDeltas(const byte* start, const byte* end,
+ ExpectedPcDelta* expected_deltas, size_t num_targets) {
ControlTransferMap map =
WasmInterpreter::ComputeControlTransfersForTesting(zone(), start, end);
// Check all control targets in the map.
for (size_t i = 0; i < num_targets; i++) {
- pc_t pc = expected_targets[i].pc;
+ pc_t pc = expected_deltas[i].pc;
auto it = map.find(pc);
if (it == map.end()) {
- printf("expected control target @ +%zu\n", pc);
- EXPECT_TRUE(false);
+ EXPECT_TRUE(false) << "expected control target @ " << pc;
} else {
- ControlTransfer& expected = expected_targets[i].expected;
- ControlTransfer& target = it->second;
+ pcdiff_t expected = expected_deltas[i].expected;
+ pcdiff_t& target = it->second;
EXPECT_THAT(target,
MakeMatcher(new ControlTransferMatcher(pc, expected)));
}
}
// Check there are no other control targets.
+ CheckNoOtherTargets<ExpectedPcDelta>(start, end, map, expected_deltas,
+ num_targets);
+ }
+
+ template <typename T>
+ void CheckNoOtherTargets(const byte* start, const byte* end,
+ ControlTransferMap& map, T* targets,
+ size_t num_targets) {
+ // Check there are no other control targets.
for (pc_t pc = 0; start + pc < end; pc++) {
bool found = false;
for (size_t i = 0; i < num_targets; i++) {
- if (expected_targets[i].pc == pc) {
+ if (targets[i].pc == pc) {
found = true;
break;
}
@@ -98,125 +103,128 @@ class ControlTransferTest : public TestWithZone {
}
};
-// Macro for simplifying tests below.
-#define EXPECT_TARGETS(...) \
- do { \
- ExpectedTarget pairs[] = {__VA_ARGS__}; \
- CheckControlTransfers(code, code + sizeof(code), pairs, arraysize(pairs)); \
+#define EXPECT_PC_DELTAS(...) \
+ do { \
+ ExpectedPcDelta pairs[] = {__VA_ARGS__}; \
+ CheckPcDeltas(code, code + sizeof(code), pairs, arraysize(pairs)); \
} while (false)
TEST_F(ControlTransferTest, SimpleIf) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprEnd // @3
+ kLocalVoid, // @3
+ kExprEnd // @4
};
- EXPECT_TARGETS({2, {2, 0, ControlTransfer::kPushVoid}}, // --
- {3, {1, 0, ControlTransfer::kPushVoid}});
+ EXPECT_PC_DELTAS({2, 2});
}
TEST_F(ControlTransferTest, SimpleIf1) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprNop, // @3
- kExprEnd // @4
+ kLocalVoid, // @3
+ kExprNop, // @4
+ kExprEnd // @5
};
- EXPECT_TARGETS({2, {3, 0, ControlTransfer::kPushVoid}}, // --
- {4, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 3});
}
TEST_F(ControlTransferTest, SimpleIf2) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprNop, // @3
+ kLocalVoid, // @3
kExprNop, // @4
- kExprEnd // @5
+ kExprNop, // @5
+ kExprEnd // @6
};
- EXPECT_TARGETS({2, {4, 0, ControlTransfer::kPushVoid}}, // --
- {5, {1, 2, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 4});
}
TEST_F(ControlTransferTest, SimpleIfElse) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1
kExprIf, // @2
- kExprElse, // @3
- kExprEnd // @4
+ kLocalVoid, // @3
+ kExprElse, // @4
+ kExprEnd // @5
};
- EXPECT_TARGETS({2, {2, 0, ControlTransfer::kNoAction}}, // --
- {3, {2, 0, ControlTransfer::kPushVoid}}, // --
- {4, {1, 0, ControlTransfer::kPushVoid}});
+ EXPECT_PC_DELTAS({2, 3}, {4, 2});
+}
+
+TEST_F(ControlTransferTest, SimpleIfElse_v1) {
+ byte code[] = {
+ kExprI32Const, // @0
+ 0, // @1
+ kExprIf, // @2
+ kLocalVoid, // @3
+ kExprI8Const, // @4
+ 0, // @5 +1
+ kExprElse, // @6
+ kExprI8Const, // @7
+ 0, // @8 +1
+ kExprEnd // @9
+ };
+ EXPECT_PC_DELTAS({2, 5}, {6, 4});
}
TEST_F(ControlTransferTest, SimpleIfElse1) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprNop, // @3
+ kLocalVoid, // @3
kExprElse, // @4
kExprNop, // @5
kExprEnd // @6
};
- EXPECT_TARGETS({2, {3, 0, ControlTransfer::kNoAction}}, // --
- {4, {3, 1, ControlTransfer::kPopAndRepush}}, // --
- {6, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 3}, {4, 3});
}
TEST_F(ControlTransferTest, IfBr) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprBr, // @3
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @3
+ kExprBr, // @4
+ 0, // @5
kExprEnd // @6
};
- EXPECT_TARGETS({2, {5, 0, ControlTransfer::kPushVoid}}, // --
- {3, {4, 0, ControlTransfer::kPushVoid}}, // --
- {6, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 4}, {4, 3});
}
TEST_F(ControlTransferTest, IfBrElse) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprBr, // @3
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @3
+ kExprBr, // @4
+ 0, // @5
kExprElse, // @6
kExprEnd // @7
};
- EXPECT_TARGETS({2, {5, 0, ControlTransfer::kNoAction}}, // --
- {3, {5, 0, ControlTransfer::kPushVoid}}, // --
- {6, {2, 1, ControlTransfer::kPopAndRepush}}, // --
- {7, {1, 0, ControlTransfer::kPushVoid}});
+ EXPECT_PC_DELTAS({2, 5}, {4, 4}, {6, 2});
}
TEST_F(ControlTransferTest, IfElseBr) {
byte code[] = {
kExprI32Const, // @0
- 0, // +1
+ 0, // @1 +1
kExprIf, // @2
- kExprNop, // @3
+ kLocalVoid, // @3
kExprElse, // @4
kExprBr, // @5
- ARITY_0, // +1
- 0, // +1
- kExprEnd // @8
+ 0, // @6
+ kExprEnd // @7
};
- EXPECT_TARGETS({2, {3, 0, ControlTransfer::kNoAction}}, // --
- {4, {5, 1, ControlTransfer::kPopAndRepush}}, // --
- {5, {4, 0, ControlTransfer::kPushVoid}}, // --
- {8, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 3}, {4, 4}, {5, 3});
}
TEST_F(ControlTransferTest, BlockEmpty) {
@@ -224,177 +232,233 @@ TEST_F(ControlTransferTest, BlockEmpty) {
kExprBlock, // @0
kExprEnd // @1
};
- EXPECT_TARGETS({1, {1, 0, ControlTransfer::kPushVoid}});
+ CheckPcDeltas(code, code + sizeof(code), nullptr, 0);
}
TEST_F(ControlTransferTest, Br0) {
byte code[] = {
kExprBlock, // @0
- kExprBr, // @1
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @1
+ kExprBr, // @2
+ 0, // @3
kExprEnd // @4
};
- EXPECT_TARGETS({1, {4, 0, ControlTransfer::kPushVoid}},
- {4, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 3});
}
TEST_F(ControlTransferTest, Br1) {
byte code[] = {
kExprBlock, // @0
- kExprNop, // @1
- kExprBr, // @2
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @1
+ kExprNop, // @2
+ kExprBr, // @3
+ 0, // @4
kExprEnd // @5
};
- EXPECT_TARGETS({2, {4, 1, ControlTransfer::kPopAndRepush}}, // --
- {5, {1, 2, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({3, 3});
+}
+
+TEST_F(ControlTransferTest, Br_v1a) {
+ byte code[] = {
+ kExprBlock, // @0
+ kLocalVoid, // @1
+ kExprI8Const, // @2
+ 0, // @3
+ kExprBr, // @4
+ 0, // @5
+ kExprEnd // @6
+ };
+ EXPECT_PC_DELTAS({4, 3});
+}
+
+TEST_F(ControlTransferTest, Br_v1b) {
+ byte code[] = {
+ kExprBlock, // @0
+ kLocalVoid, // @1
+ kExprI8Const, // @2
+ 0, // @3
+ kExprBr, // @4
+ 0, // @5
+ kExprEnd // @6
+ };
+ EXPECT_PC_DELTAS({4, 3});
+}
+
+TEST_F(ControlTransferTest, Br_v1c) {
+ byte code[] = {
+ kExprI8Const, // @0
+ 0, // @1
+ kExprBlock, // @2
+ kLocalVoid, // @3
+ kExprBr, // @4
+ 0, // @5
+ kExprEnd // @6
+ };
+ EXPECT_PC_DELTAS({4, 3});
}
TEST_F(ControlTransferTest, Br2) {
byte code[] = {
kExprBlock, // @0
- kExprNop, // @1
+ kLocalVoid, // @1
kExprNop, // @2
- kExprBr, // @3
- ARITY_0, // +1
- 0, // +1
+ kExprNop, // @3
+ kExprBr, // @4
+ 0, // @5
kExprEnd // @6
};
- EXPECT_TARGETS({3, {4, 2, ControlTransfer::kPopAndRepush}}, // --
- {6, {1, 3, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({4, 3});
}
TEST_F(ControlTransferTest, Br0b) {
byte code[] = {
kExprBlock, // @0
- kExprBr, // @1
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @1
+ kExprBr, // @2
+ 0, // @3
kExprNop, // @4
kExprEnd // @5
};
- EXPECT_TARGETS({1, {5, 0, ControlTransfer::kPushVoid}}, // --
- {5, {1, 2, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 4});
}
TEST_F(ControlTransferTest, Br0c) {
byte code[] = {
kExprBlock, // @0
- kExprBr, // @1
- ARITY_0, // +1
- 0, // +1
+ kLocalVoid, // @1
+ kExprBr, // @2
+ 0, // @3
kExprNop, // @4
kExprNop, // @5
kExprEnd // @6
};
- EXPECT_TARGETS({1, {6, 0, ControlTransfer::kPushVoid}}, // --
- {6, {1, 3, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 5});
}
TEST_F(ControlTransferTest, SimpleLoop1) {
byte code[] = {
- kExprLoop, // @0
- kExprBr, // @1
- ARITY_0, // +1
- 0, // +1
- kExprEnd // @4
+ kExprLoop, // @0
+ kLocalVoid, // @1
+ kExprBr, // @2
+ 0, // @3
+ kExprEnd // @4
};
- EXPECT_TARGETS({1, {-1, 0, ControlTransfer::kNoAction}}, // --
- {4, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, -2});
}
TEST_F(ControlTransferTest, SimpleLoop2) {
byte code[] = {
- kExprLoop, // @0
- kExprNop, // @1
- kExprBr, // @2
- ARITY_0, // +1
- 0, // +1
- kExprEnd // @5
+ kExprLoop, // @0
+ kLocalVoid, // @1
+ kExprNop, // @2
+ kExprBr, // @3
+ 0, // @4
+ kExprEnd // @5
};
- EXPECT_TARGETS({2, {-2, 1, ControlTransfer::kNoAction}}, // --
- {5, {1, 2, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({3, -3});
}
TEST_F(ControlTransferTest, SimpleLoopExit1) {
byte code[] = {
- kExprLoop, // @0
- kExprBr, // @1
- ARITY_0, // +1
- 1, // +1
- kExprEnd // @4
+ kExprLoop, // @0
+ kLocalVoid, // @1
+ kExprBr, // @2
+ 1, // @3
+ kExprEnd // @4
};
- EXPECT_TARGETS({1, {4, 0, ControlTransfer::kPushVoid}}, // --
- {4, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({2, 3});
}
TEST_F(ControlTransferTest, SimpleLoopExit2) {
byte code[] = {
- kExprLoop, // @0
- kExprNop, // @1
- kExprBr, // @2
- ARITY_0, // +1
- 1, // +1
- kExprEnd // @5
+ kExprLoop, // @0
+ kLocalVoid, // @1
+ kExprNop, // @2
+ kExprBr, // @3
+ 1, // @4
+ kExprEnd // @5
};
- EXPECT_TARGETS({2, {4, 1, ControlTransfer::kPopAndRepush}}, // --
- {5, {1, 2, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({3, 3});
}
TEST_F(ControlTransferTest, BrTable0) {
byte code[] = {
kExprBlock, // @0
- kExprI8Const, // @1
- 0, // +1
- kExprBrTable, // @3
- ARITY_0, // +1
- 0, // +1
- U32_LE(0), // +4
- kExprEnd // @10
+ kLocalVoid, // @1
+ kExprI8Const, // @2
+ 0, // @3
+ kExprBrTable, // @4
+ 0, // @5
+ U32V_1(0), // @6
+ kExprEnd // @7
};
- EXPECT_TARGETS({3, {8, 0, ControlTransfer::kPushVoid}}, // --
- {10, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({4, 4});
}
-TEST_F(ControlTransferTest, BrTable1) {
+TEST_F(ControlTransferTest, BrTable0_v1a) {
byte code[] = {
kExprBlock, // @0
- kExprI8Const, // @1
- 0, // +1
- kExprBrTable, // @3
- ARITY_0, // +1
- 1, // +1
- U32_LE(0), // +4
- U32_LE(0), // +4
- kExprEnd // @14
+ kLocalVoid, // @1
+ kExprI8Const, // @2
+ 0, // @3
+ kExprI8Const, // @4
+ 0, // @5
+ kExprBrTable, // @6
+ 0, // @7
+ U32V_1(0), // @8
+ kExprEnd // @9
};
- EXPECT_TARGETS({3, {12, 0, ControlTransfer::kPushVoid}}, // --
- {4, {11, 0, ControlTransfer::kPushVoid}}, // --
- {14, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({6, 4});
}
-TEST_F(ControlTransferTest, BrTable2) {
+TEST_F(ControlTransferTest, BrTable0_v1b) {
+ byte code[] = {
+ kExprBlock, // @0
+ kLocalVoid, // @1
+ kExprI8Const, // @2
+ 0, // @3
+ kExprI8Const, // @4
+ 0, // @5
+ kExprBrTable, // @6
+ 0, // @7
+ U32V_1(0), // @8
+ kExprEnd // @9
+ };
+ EXPECT_PC_DELTAS({6, 4});
+}
+
+TEST_F(ControlTransferTest, BrTable1) {
byte code[] = {
kExprBlock, // @0
- kExprBlock, // @1
+ kLocalVoid, // @1
kExprI8Const, // @2
- 0, // +1
+ 0, // @3
kExprBrTable, // @4
- ARITY_0, // +1
- 2, // +1
- U32_LE(0), // +4
- U32_LE(0), // +4
- U32_LE(1), // +4
- kExprEnd, // @19
- kExprEnd // @19
+ 1, // @5
+ U32V_1(0), // @6
+ U32V_1(0), // @7
+ kExprEnd // @8
+ };
+ EXPECT_PC_DELTAS({4, 5}, {5, 4});
+}
+
+TEST_F(ControlTransferTest, BrTable2) {
+ byte code[] = {
+ kExprBlock, // @0
+ kLocalVoid, // @1
+ kExprBlock, // @2
+ kLocalVoid, // @3
+ kExprI8Const, // @4
+ 0, // @5
+ kExprBrTable, // @6
+ 2, // @7
+ U32V_1(0), // @8
+ U32V_1(0), // @9
+ U32V_1(1), // @10
+ kExprEnd, // @11
+ kExprEnd // @12
};
- EXPECT_TARGETS({4, {16, 0, ControlTransfer::kPushVoid}}, // --
- {5, {15, 0, ControlTransfer::kPushVoid}}, // --
- {6, {15, 0, ControlTransfer::kPushVoid}}, // --
- {19, {1, 1, ControlTransfer::kPopAndRepush}}, // --
- {20, {1, 1, ControlTransfer::kPopAndRepush}});
+ EXPECT_PC_DELTAS({6, 6}, {7, 5}, {8, 5});
}
} // namespace wasm
« test/mjsunit/wasm/indirect-calls.js ('K') | « test/unittests/wasm/ast-decoder-unittest.cc ('k') | test/unittests/wasm/loop-assignment-analysis-unittest.cc » ('j') | no next file with comments »

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