[PGO] Implement ValueProfiling Closure interfaces for runtime value profile data
This is one of the many steps to commonize value profiling support between profile
runtime and compiler/llvm tools.
After this change, profiler runtime now can share the same C APIs to do VP
serialization/deseriazation with LLVM host tools (and produces value data
in identical format between indexed and raw profile).
It is not yet enabled in profiler runtime yet.
Also added a unit test case to test runtime profile data serialization/deserialization
interfaces implemented using common closure code.
llvm-svn: 254110
diff --git a/llvm/unittests/ProfileData/InstrProfTest.cpp b/llvm/unittests/ProfileData/InstrProfTest.cpp
index 6891931..051bf39 100644
--- a/llvm/unittests/ProfileData/InstrProfTest.cpp
+++ b/llvm/unittests/ProfileData/InstrProfTest.cpp
@@ -382,6 +382,98 @@
ASSERT_EQ(Max, VD[0].Count);
}
+// Synthesize runtime value profile data.
+ValueProfNode Site1Values[5] = {{{uint64_t("callee1"), 400}, &Site1Values[1]},
+ {{uint64_t("callee2"), 1000}, &Site1Values[2]},
+ {{uint64_t("callee3"), 500}, &Site1Values[3]},
+ {{uint64_t("callee4"), 300}, &Site1Values[4]},
+ {{uint64_t("callee5"), 100}, 0}};
+
+ValueProfNode Site2Values[4] = {{{uint64_t("callee5"), 800}, &Site2Values[1]},
+ {{uint64_t("callee3"), 1000}, &Site2Values[2]},
+ {{uint64_t("callee2"), 2500}, &Site2Values[3]},
+ {{uint64_t("callee1"), 1300}, 0}};
+
+ValueProfNode Site3Values[3] = {{{uint64_t("callee6"), 800}, &Site3Values[1]},
+ {{uint64_t("callee3"), 1000}, &Site3Values[2]},
+ {{uint64_t("callee4"), 5500}, 0}};
+
+ValueProfNode Site4Values[2] = {{{uint64_t("callee2"), 1800}, &Site4Values[1]},
+ {{uint64_t("callee3"), 2000}, 0}};
+
+static ValueProfNode *ValueProfNodes[5] = {&Site1Values[0], &Site2Values[0],
+ &Site3Values[0], &Site4Values[0], 0};
+static uint16_t NumValueSites[IPVK_Last + 1] = {5};
+TEST_F(InstrProfTest, runtime_value_prof_data_read_write) {
+ ValueProfRuntimeRecord RTRecord;
+ initializeValueProfRuntimeRecord(&RTRecord, &NumValueSites[0],
+ &ValueProfNodes[0]);
+
+ ValueProfData *VPData = serializeValueProfDataFromRT(&RTRecord);
+
+ InstrProfRecord Record("caller", 0x1234, {1ULL << 31, 2});
+
+ VPData->deserializeTo(Record, 0);
+
+ // Now read data from Record and sanity check the data
+ ASSERT_EQ(5U, Record.getNumValueSites(IPVK_IndirectCallTarget));
+ ASSERT_EQ(5U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 0));
+ ASSERT_EQ(4U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 1));
+ ASSERT_EQ(3U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 2));
+ ASSERT_EQ(2U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 3));
+ ASSERT_EQ(0U, Record.getNumValueDataForSite(IPVK_IndirectCallTarget, 4));
+
+ auto Cmp = [](const InstrProfValueData &VD1, const InstrProfValueData &VD2) {
+ return VD1.Count > VD2.Count;
+ };
+ std::unique_ptr<InstrProfValueData[]> VD_0(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 0));
+ std::sort(&VD_0[0], &VD_0[5], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_0[0].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(1000U, VD_0[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[1].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(500U, VD_0[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[2].Value, 7), StringRef("callee1"));
+ ASSERT_EQ(400U, VD_0[2].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[3].Value, 7), StringRef("callee4"));
+ ASSERT_EQ(300U, VD_0[3].Count);
+ ASSERT_EQ(StringRef((const char *)VD_0[4].Value, 7), StringRef("callee5"));
+ ASSERT_EQ(100U, VD_0[4].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_1(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 1));
+ std::sort(&VD_1[0], &VD_1[4], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_1[0].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(2500U, VD_1[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[1].Value, 7), StringRef("callee1"));
+ ASSERT_EQ(1300U, VD_1[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[2].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(1000U, VD_1[2].Count);
+ ASSERT_EQ(StringRef((const char *)VD_1[3].Value, 7), StringRef("callee5"));
+ ASSERT_EQ(800U, VD_1[3].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_2(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 2));
+ std::sort(&VD_2[0], &VD_2[3], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_2[0].Value, 7), StringRef("callee4"));
+ ASSERT_EQ(5500U, VD_2[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_2[1].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(1000U, VD_2[1].Count);
+ ASSERT_EQ(StringRef((const char *)VD_2[2].Value, 7), StringRef("callee6"));
+ ASSERT_EQ(800U, VD_2[2].Count);
+
+ std::unique_ptr<InstrProfValueData[]> VD_3(
+ Record.getValueForSite(IPVK_IndirectCallTarget, 3));
+ std::sort(&VD_3[0], &VD_3[2], Cmp);
+ ASSERT_EQ(StringRef((const char *)VD_3[0].Value, 7), StringRef("callee3"));
+ ASSERT_EQ(2000U, VD_3[0].Count);
+ ASSERT_EQ(StringRef((const char *)VD_3[1].Value, 7), StringRef("callee2"));
+ ASSERT_EQ(1800U, VD_3[1].Count);
+
+ finalizeValueProfRuntimeRecord(&RTRecord);
+ free(VPData);
+}
+
TEST_F(InstrProfTest, get_max_function_count) {
InstrProfRecord Record1("foo", 0x1234, {1ULL << 31, 2});
InstrProfRecord Record2("bar", 0, {1ULL << 63});