[llvm-commits] [llvm] r131819 - /llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp

[Chris Lattner]

Author: lattner
Date: Sat May 21 19:13:44 2011
New Revision: 131819

URL: http://llvm.org/viewvc/llvm-project?rev=131819&view=rev
Log:
eliminate dependence on StandardPasses.h.  The code generator's pass pipeline
should eventually convert to PMBuilder, but I don't plan to do this.

Modified:
    llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp

Modified: llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp?rev=131819&r1=131818&r2=131819&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp (original)
+++ llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp Sat May 21 19:13:44 2011
@@ -13,6 +13,7 @@
 
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/PassManager.h"
+#include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/CodeGen/AsmPrinter.h"
@@ -32,7 +33,6 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/StandardPasses.h"
 using namespace llvm;
 
 namespace llvm {
@@ -292,7 +292,11 @@
   // Standard LLVM-Level Passes.
 
   // Basic AliasAnalysis support.
-  createStandardAliasAnalysisPasses(&PM);
+  // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
+  // BasicAliasAnalysis wins if they disagree. This is intended to help
+  // support "obvious" type-punning idioms.
+  PM.add(createTypeBasedAliasAnalysisPass());
+  PM.add(createBasicAliasAnalysisPass());
 
   // Before running any passes, run the verifier to determine if the input
   // coming from the front-end and/or optimizer is valid.