[llvm-commits] [llvm] r97357 - in /llvm/trunk: include/llvm/Target/TargetMachine.h lib/CodeGen/LLVMTargetMachine.cpp lib/Target/CBackend/CBackend.cpp lib/Target/CBackend/CTargetMachine.h lib/Target/CppBackend/CPPBackend.cpp lib/Target/CppBackend/CPPTargetMachine.h lib/Target/MSIL/MSILWriter.cpp

Dan Gohman gohman at apple.com
Sat Feb 27 16:41:59 PST 2010


Author: djg
Date: Sat Feb 27 18:41:59 2010
New Revision: 97357

URL: http://llvm.org/viewvc/llvm-project?rev=97357&view=rev
Log:
Add a flag to addPassesToEmit* to disable the Verifier pass run
after LSR, so that clients can opt in.

Modified:
    llvm/trunk/include/llvm/Target/TargetMachine.h
    llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
    llvm/trunk/lib/Target/CBackend/CBackend.cpp
    llvm/trunk/lib/Target/CBackend/CTargetMachine.h
    llvm/trunk/lib/Target/CppBackend/CPPBackend.cpp
    llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h
    llvm/trunk/lib/Target/MSIL/MSILWriter.cpp

Modified: llvm/trunk/include/llvm/Target/TargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetMachine.h?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetMachine.h (original)
+++ llvm/trunk/include/llvm/Target/TargetMachine.h Sat Feb 27 18:41:59 2010
@@ -190,7 +190,8 @@
   virtual bool addPassesToEmitFile(PassManagerBase &,
                                    formatted_raw_ostream &,
                                    CodeGenFileType,
-                                   CodeGenOpt::Level) {
+                                   CodeGenOpt::Level,
+                                   bool DisableVerify = true) {
     return true;
   }
 
@@ -202,7 +203,8 @@
   ///
   virtual bool addPassesToEmitMachineCode(PassManagerBase &,
                                           JITCodeEmitter &,
-                                          CodeGenOpt::Level) {
+                                          CodeGenOpt::Level,
+                                          bool DisableVerify = true) {
     return true;
   }
 
@@ -212,7 +214,8 @@
   virtual bool WantsWholeFile() const { return false; }
   virtual bool addPassesToEmitWholeFile(PassManager &, formatted_raw_ostream &,
                                         CodeGenFileType,
-                                        CodeGenOpt::Level) {
+                                        CodeGenOpt::Level,
+                                        bool DisableVerify = true) {
     return true;
   }
 };
@@ -227,7 +230,8 @@
   /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for
   /// both emitting to assembly files or machine code output.
   ///
-  bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level);
+  bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level,
+                              bool DisableVerify);
 
 private:
   virtual void setCodeModelForJIT();
@@ -242,7 +246,8 @@
   virtual bool addPassesToEmitFile(PassManagerBase &PM,
                                    formatted_raw_ostream &Out,
                                    CodeGenFileType FileType,
-                                   CodeGenOpt::Level);
+                                   CodeGenOpt::Level,
+                                   bool DisableVerify = true);
   
   /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
   /// get machine code emitted.  This uses a JITCodeEmitter object to handle
@@ -252,7 +257,8 @@
   ///
   virtual bool addPassesToEmitMachineCode(PassManagerBase &PM,
                                           JITCodeEmitter &MCE,
-                                          CodeGenOpt::Level);
+                                          CodeGenOpt::Level,
+                                          bool DisableVerify = true);
   
   /// Target-Independent Code Generator Pass Configuration Options.
   

Modified: llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp (original)
+++ llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp Sat Feb 27 18:41:59 2010
@@ -115,9 +115,10 @@
 bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                             formatted_raw_ostream &Out,
                                             CodeGenFileType FileType,
-                                            CodeGenOpt::Level OptLevel) {
+                                            CodeGenOpt::Level OptLevel,
+                                            bool DisableVerify) {
   // Add common CodeGen passes.
-  if (addCommonCodeGenPasses(PM, OptLevel))
+  if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify))
     return true;
 
   OwningPtr<MCContext> Context(new MCContext());
@@ -193,12 +194,13 @@
 ///
 bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
                                                    JITCodeEmitter &JCE,
-                                                   CodeGenOpt::Level OptLevel) {
+                                                   CodeGenOpt::Level OptLevel,
+                                                   bool DisableVerify) {
   // Make sure the code model is set.
   setCodeModelForJIT();
   
   // Add common CodeGen passes.
-  if (addCommonCodeGenPasses(PM, OptLevel))
+  if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify))
     return true;
 
   addCodeEmitter(PM, OptLevel, JCE);
@@ -221,9 +223,15 @@
 /// emitting to assembly files or machine code output.
 ///
 bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
-                                               CodeGenOpt::Level OptLevel) {
+                                               CodeGenOpt::Level OptLevel,
+                                               bool DisableVerify) {
   // Standard LLVM-Level Passes.
 
+  // Before running any passes, run the verifier to determine if the input
+  // coming from the front-end and/or optimizer is valid.
+  if (!DisableVerify)
+    PM.add(createVerifierPass());
+
   // Optionally, tun split-GEPs and no-load GVN.
   if (EnableSplitGEPGVN) {
     PM.add(createGEPSplitterPass());
@@ -235,9 +243,6 @@
     PM.add(createLoopStrengthReducePass(getTargetLowering()));
     if (PrintLSR)
       PM.add(createPrintFunctionPass("\n\n*** Code after LSR ***\n", &dbgs()));
-#ifndef NDEBUG
-    PM.add(createVerifierPass());
-#endif
   }
 
   // Turn exception handling constructs into something the code generators can
@@ -277,6 +282,11 @@
                                    "*** Final LLVM Code input to ISel ***\n",
                                    &dbgs()));
 
+  // All passes which modify the LLVM IR are now complete; run the verifier
+  // to ensure that the IR is valid.
+  if (!DisableVerify)
+    PM.add(createVerifierPass());
+
   // Standard Lower-Level Passes.
 
   // Set up a MachineFunction for the rest of CodeGen to work on.

Modified: llvm/trunk/lib/Target/CBackend/CBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CBackend/CBackend.cpp?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CBackend/CBackend.cpp (original)
+++ llvm/trunk/lib/Target/CBackend/CBackend.cpp Sat Feb 27 18:41:59 2010
@@ -3544,7 +3544,8 @@
 bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
                                               formatted_raw_ostream &o,
                                               CodeGenFileType FileType,
-                                              CodeGenOpt::Level OptLevel) {
+                                              CodeGenOpt::Level OptLevel,
+                                              bool DisableVerify) {
   if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
 
   PM.add(createGCLoweringPass());

Modified: llvm/trunk/lib/Target/CBackend/CTargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CBackend/CTargetMachine.h?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CBackend/CTargetMachine.h (original)
+++ llvm/trunk/lib/Target/CBackend/CTargetMachine.h Sat Feb 27 18:41:59 2010
@@ -27,7 +27,8 @@
   virtual bool addPassesToEmitWholeFile(PassManager &PM,
                                         formatted_raw_ostream &Out,
                                         CodeGenFileType FileType,
-                                        CodeGenOpt::Level OptLevel);
+                                        CodeGenOpt::Level OptLevel,
+                                        bool DisableVerify);
   
   virtual const TargetData *getTargetData() const { return 0; }
 };

Modified: llvm/trunk/lib/Target/CppBackend/CPPBackend.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CppBackend/CPPBackend.cpp?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CppBackend/CPPBackend.cpp (original)
+++ llvm/trunk/lib/Target/CppBackend/CPPBackend.cpp Sat Feb 27 18:41:59 2010
@@ -2009,7 +2009,8 @@
 bool CPPTargetMachine::addPassesToEmitWholeFile(PassManager &PM,
                                                 formatted_raw_ostream &o,
                                                 CodeGenFileType FileType,
-                                                CodeGenOpt::Level OptLevel) {
+                                                CodeGenOpt::Level OptLevel,
+                                                bool DisableVerify) {
   if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
   PM.add(new CppWriter(o));
   return false;

Modified: llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h (original)
+++ llvm/trunk/lib/Target/CppBackend/CPPTargetMachine.h Sat Feb 27 18:41:59 2010
@@ -30,7 +30,8 @@
   virtual bool addPassesToEmitWholeFile(PassManager &PM,
                                         formatted_raw_ostream &Out,
                                         CodeGenFileType FileType,
-                                        CodeGenOpt::Level OptLevel);
+                                        CodeGenOpt::Level OptLevel,
+                                        bool DisableVerify);
 
   virtual const TargetData *getTargetData() const { return 0; }
 };

Modified: llvm/trunk/lib/Target/MSIL/MSILWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MSIL/MSILWriter.cpp?rev=97357&r1=97356&r2=97357&view=diff
==============================================================================
--- llvm/trunk/lib/Target/MSIL/MSILWriter.cpp (original)
+++ llvm/trunk/lib/Target/MSIL/MSILWriter.cpp Sat Feb 27 18:41:59 2010
@@ -38,7 +38,8 @@
     virtual bool addPassesToEmitWholeFile(PassManager &PM,
                                           formatted_raw_ostream &Out,
                                           CodeGenFileType FileType,
-                                          CodeGenOpt::Level OptLevel);
+                                          CodeGenOpt::Level OptLevel,
+                                          bool DisableVerify);
 
     virtual const TargetData *getTargetData() const { return 0; }
   };
@@ -1688,7 +1689,8 @@
 bool MSILTarget::addPassesToEmitWholeFile(PassManager &PM,
                                           formatted_raw_ostream &o,
                                           CodeGenFileType FileType,
-                                          CodeGenOpt::Level OptLevel)
+                                          CodeGenOpt::Level OptLevel,
+                                          bool DisableVerify)
 {
   if (FileType != TargetMachine::CGFT_AssemblyFile) return true;
   MSILWriter* Writer = new MSILWriter(o);





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