[cfe-commits] r58035 - /cfe/trunk/Driver/Backend.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Thu Oct 23 00:59:43 2008
New Revision: 58035

URL: http://llvm.org/viewvc/llvm-project?rev=58035&view=rev
Log:
Hook "fast" code generation to -O0.

Modified:
    cfe/trunk/Driver/Backend.cpp

Modified: cfe/trunk/Driver/Backend.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/Backend.cpp?rev=58035&r1=58034&r2=58035&view=diff

==============================================================================
--- cfe/trunk/Driver/Backend.cpp (original)
+++ cfe/trunk/Driver/Backend.cpp Thu Oct 23 00:59:43 2008
@@ -65,12 +65,9 @@
     /// AddEmitPasses - Add passes necessary to emit assembly or LLVM
     /// IR.
     ///
-    /// \arg Fast - Whether "fast" native compilation should be
-    /// used. This implies local register allocation and fast
-    /// instruction selection.
     /// \return True on success. On failure \arg Error will be set to
     /// a user readable error message.
-    bool AddEmitPasses(bool Fast, std::string &Error);
+    bool AddEmitPasses(std::string &Error);
 
     void EmitAssembly();
     
@@ -150,7 +147,7 @@
   return PerFunctionPasses;
 }
 
-bool BackendConsumer::AddEmitPasses(bool Fast, std::string &Error) {
+bool BackendConsumer::AddEmitPasses(std::string &Error) {
   if (OutputFile == "-" || (InputFile == "-" && OutputFile.empty())) {
     AsmOutStream = new raw_stdout_ostream();
     sys::Program::ChangeStdoutToBinary();
@@ -179,6 +176,8 @@
   } else if (Action == Backend_EmitLL) {
     getPerModulePasses()->add(createPrintModulePass(AsmOutStream));
   } else {
+    bool Fast = CompileOpts.OptimizationLevel == 0;
+
     // Create the TargetMachine for generating code.
     const TargetMachineRegistry::entry *TME = 
       TargetMachineRegistry::getClosestStaticTargetForModule(*TheModule, Error);
@@ -316,8 +315,6 @@
   if (!TheModule || !TheTargetData)
     return;
 
-  bool Optimize = false; // FIXME
-
   // Make sure IR generation is happy with the module.
   // FIXME: Release this.
   Module *M = Gen->ReleaseModule();
@@ -331,7 +328,7 @@
   CreatePasses();
 
   std::string Error;
-  if (!AddEmitPasses(!Optimize, Error)) {
+  if (!AddEmitPasses(Error)) {
     // FIXME: Don't fail this way.
     llvm::cerr << "ERROR: " << Error << "\n";
     ::exit(1);