[PGO] Make header portable for C /NFC

llvm-svn: 258889

Author: david-xl

llvm/include/llvm/ProfileData/InstrProfData.inc

@@ -392,8 +392,10 @@ uint32_t getNumValueKindsRT(const void *R);
 #define INSTR_PROF_DATA_DEFINED
 #ifdef __cplusplus
 #define INSTR_PROF_INLINE inline
+#define INSTR_PROF_NULLPTR nullptr
 #else
 #define INSTR_PROF_INLINE
+#define INSTR_PROF_NULLPTR NULL
 #endif
 
 #ifndef offsetof
@@ -554,18 +556,19 @@ int initializeValueProfRuntimeRecord(ValueProfRuntimeRecord *RuntimeRecord,
   for (I = 0; I <= IPVK_Last; I++) {
     uint16_t N = NumValueSites[I];
     if (!N) {
-      RuntimeRecord->SiteCountArray[I] = nullptr;
+      RuntimeRecord->SiteCountArray[I] = INSTR_PROF_NULLPTR;
       continue;
     }
     NumValueKinds++;
     RuntimeRecord->SiteCountArray[I] = (uint8_t *)calloc(N, 1);
     if (!RuntimeRecord->SiteCountArray[I])
       return 1;
-    RuntimeRecord->NodesKind[I] = Nodes ? &Nodes[S] : nullptr;
+    RuntimeRecord->NodesKind[I] = Nodes ? &Nodes[S] : INSTR_PROF_NULLPTR;
     for (J = 0; J < N; J++) {
       /* Compute value count for each site. */
       uint32_t C = 0;
-      ValueProfNode *Site = Nodes ? RuntimeRecord->NodesKind[I][J] : nullptr;
+      ValueProfNode *Site =
+          Nodes ? RuntimeRecord->NodesKind[I][J] : INSTR_PROF_NULLPTR;
       while (Site) {
         C++;
         Site = Site->Next;
@@ -606,7 +609,7 @@ uint32_t getNumValueDataForSiteRT(const void *R, uint32_t VK, uint32_t S) {
 uint32_t getNumValueDataRT(const void *R, uint32_t VK) {
   unsigned I, S = 0;
   const ValueProfRuntimeRecord *Record = (const ValueProfRuntimeRecord *)R;
-  if (Record->SiteCountArray[VK] == nullptr)
+  if (Record->SiteCountArray[VK] == INSTR_PROF_NULLPTR)
     return 0;
   for (I = 0; I < Record->NumValueSites[VK]; I++)
     S += Record->SiteCountArray[VK][I];
@@ -631,14 +634,10 @@ ValueProfData *allocValueProfDataRT(size_t TotalSizeInBytes) {
   return (ValueProfData *)calloc(TotalSizeInBytes, 1);
 }
 
-static ValueProfRecordClosure RTRecordClosure = {nullptr,
-                                                 getNumValueKindsRT,
-                                                 getNumValueSitesRT,
-                                                 getNumValueDataRT,
-                                                 getNumValueDataForSiteRT,
-                                                 nullptr,
-                                                 getValueForSiteRT,
-                                                 allocValueProfDataRT};
+static ValueProfRecordClosure RTRecordClosure = {
+    INSTR_PROF_NULLPTR, getNumValueKindsRT,       getNumValueSitesRT,
+    getNumValueDataRT,  getNumValueDataForSiteRT, INSTR_PROF_NULLPTR,
+    getValueForSiteRT,  allocValueProfDataRT};
 
 /*
  * Return the size of ValueProfData structure to store data