Taints the non-acquire RMW's store address with the load part

[oota-llvm.git] / utils / TableGen / OptParserEmitter.cpp

diff --git a/utils/TableGen/OptParserEmitter.cpp b/utils/TableGen/OptParserEmitter.cpp
index 0c1f6236e0597a037a1d77c6a985648038c7374a..c1b5e6510325ce2308524869094da38a1ac3be4a 100644 (file)
--- a/utils/TableGen/OptParserEmitter.cpp
+++ b/utils/TableGen/OptParserEmitter.cpp
@@ -13,18 +13,23 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/TableGen/Record.h"
 #include "llvm/TableGen/TableGenBackend.h"
+#include <cctype>
+#include <cstring>
 #include <map>
 
 using namespace llvm;
 
+// Ordering on Info. The logic should match with the consumer-side function in
+// llvm/Option/OptTable.h.
 static int StrCmpOptionName(const char *A, const char *B) {
-  char a = *A, b = *B;
+  const char *X = A, *Y = B;
+  char a = tolower(*A), b = tolower(*B);
   while (a == b) {
     if (a == '\0')
-      return 0;
+      return strcmp(A, B);
 
-    a = *++A;
-    b = *++B;
+    a = tolower(*++X);
+    b = tolower(*++Y);
   }
 
   if (a == '\0') // A is a prefix of B.
@@ -36,9 +41,9 @@ static int StrCmpOptionName(const char *A, const char *B) {
   return (a < b) ? -1 : 1;
 }
 
-static int CompareOptionRecords(const void *Av, const void *Bv) {
-  const Record *A = *(const Record*const*) Av;
-  const Record *B = *(const Record*const*) Bv;
+static int CompareOptionRecords(Record *const *Av, Record *const *Bv) {
+  const Record *A = *Av;
+  const Record *B = *Bv;
 
   // Sentinel options precede all others and are only ordered by precedence.
   bool ASent = A->getValueAsDef("Kind")->getValueAsBit("Sentinel");
@@ -50,7 +55,7 @@ static int CompareOptionRecords(const void *Av, const void *Bv) {
   if (!ASent)
     if (int Cmp = StrCmpOptionName(A->getValueAsString("Name").c_str(),
                                    B->getValueAsString("Name").c_str()))
-    return Cmp;
+      return Cmp;
 
   if (!ASent) {
     std::vector<std::string> APrefixes = A->getValueAsListOfStrings("Prefixes");
@@ -74,7 +79,7 @@ static int CompareOptionRecords(const void *Av, const void *Bv) {
   if (APrec == BPrec &&
       A->getValueAsListOfStrings("Prefixes") ==
       B->getValueAsListOfStrings("Prefixes")) {
-    PrintError(A->getLoc(), Twine("Option is equivilent to"));
+    PrintError(A->getLoc(), Twine("Option is equivalent to"));
     PrintError(B->getLoc(), Twine("Other defined here"));
     PrintFatalError("Equivalent Options found.");
   }
@@ -144,10 +149,10 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
                                     PE = I->first.end(); PI != PE; ++PI) {
       OS << "\"" << *PI << "\" COMMA ";
     }
-    OS << "0})\n";
+    OS << "nullptr})\n";
   }
   OS << "#undef COMMA\n";
-  OS << "#endif\n\n";
+  OS << "#endif // PREFIX\n\n";
 
   OS << "/////////\n";
   OS << "// Groups\n\n";
@@ -159,7 +164,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
     OS << "OPTION(";
 
     // The option prefix;
-    OS << "0";
+    OS << "nullptr";
 
     // The option string.
     OS << ", \"" << R.getValueAsString("Name") << '"';
@@ -178,7 +183,7 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
       OS << "INVALID";
 
     // The other option arguments (unused for groups).
-    OS << ", INVALID, 0, 0";
+    OS << ", INVALID, nullptr, 0, 0";
 
     // The option help text.
     if (!isa<UnsetInit>(R.getValueInit("HelpText"))) {
@@ -186,10 +191,10 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
       OS << "       ";
       write_cstring(OS, R.getValueAsString("HelpText"));
     } else
-      OS << ", 0";
+      OS << ", nullptr";
 
     // The option meta-variable name (unused).
-    OS << ", 0)\n";
+    OS << ", nullptr)\n";
   }
   OS << "\n";
 
@@ -216,9 +221,11 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
 
     // The containing option group (if any).
     OS << ", ";
-    if (const DefInit *DI = dyn_cast<DefInit>(R.getValueInit("Group")))
+    const ListInit *GroupFlags = nullptr;
+    if (const DefInit *DI = dyn_cast<DefInit>(R.getValueInit("Group"))) {
+      GroupFlags = DI->getDef()->getValueAsListInit("Flags");
       OS << getOptionName(*DI->getDef());
-    else
+    } else
       OS << "INVALID";
 
     // The option alias (if any).
@@ -228,18 +235,35 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
     else
       OS << "INVALID";
 
+    // The option alias arguments (if any).
+    // Emitted as a \0 separated list in a string, e.g. ["foo", "bar"]
+    // would become "foo\0bar\0". Note that the compiler adds an implicit
+    // terminating \0 at the end.
+    OS << ", ";
+    std::vector<std::string> AliasArgs = R.getValueAsListOfStrings("AliasArgs");
+    if (AliasArgs.size() == 0) {
+      OS << "nullptr";
+    } else {
+      OS << "\"";
+      for (size_t i = 0, e = AliasArgs.size(); i != e; ++i)
+        OS << AliasArgs[i] << "\\0";
+      OS << "\"";
+    }
+
     // The option flags.
+    OS << ", ";
+    int NumFlags = 0;
     const ListInit *LI = R.getValueAsListInit("Flags");
-    if (LI->empty()) {
-      OS << ", 0";
-    } else {
-      OS << ", ";
-      for (unsigned i = 0, e = LI->size(); i != e; ++i) {
-        if (i)
-          OS << " | ";
-        OS << cast<DefInit>(LI->getElement(i))->getDef()->getName();
-      }
+    for (Init *I : *LI)
+      OS << (NumFlags++ ? " | " : "")
+         << cast<DefInit>(I)->getDef()->getName();
+    if (GroupFlags) {
+      for (Init *I : *GroupFlags)
+        OS << (NumFlags++ ? " | " : "")
+           << cast<DefInit>(I)->getDef()->getName();
     }
+    if (NumFlags == 0)
+      OS << '0';
 
     // The option parameter field.
     OS << ", " << R.getValueAsInt("NumArgs");
@@ -250,17 +274,17 @@ void EmitOptParser(RecordKeeper &Records, raw_ostream &OS) {
       OS << "       ";
       write_cstring(OS, R.getValueAsString("HelpText"));
     } else
-      OS << ", 0";
+      OS << ", nullptr";
 
     // The option meta-variable name.
     OS << ", ";
     if (!isa<UnsetInit>(R.getValueInit("MetaVarName")))
       write_cstring(OS, R.getValueAsString("MetaVarName"));
     else
-      OS << "0";
+      OS << "nullptr";
 
     OS << ")\n";
   }
-  OS << "#endif\n";
+  OS << "#endif // OPTION\n";
 }
 } // end namespace llvm