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..ab2d937758e7467ecf56d97bfb68db62b1027f6f 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 |
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 |
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 |
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 |
+ kExprElse, // @6 |
+ kExprI8Const, // @7 |
+ 0, // @8 |
+ kExprEnd // @9 |
+ }; |
+ EXPECT_PC_DELTAS({2, 5}, {6, 4}); |
} |
TEST_F(ControlTransferTest, SimpleIfElse1) { |
byte code[] = { |
kExprI32Const, // @0 |
- 0, // +1 |
+ 0, // @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 |
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 |
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 |
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 |