[llvm-commits] CVS: llvm/lib/CodeGen/LLVMTargetMachine.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen:

LLVMTargetMachine.cpp updated: 1.11 -> 1.12
---
Log message:

move a bunch of code out of the sdisel pass into its own opt pass "codegenprepare".


---
Diffs of the changes:  (+20 -2)

 LLVMTargetMachine.cpp |   22 ++++++++++++++++++++--
 1 files changed, 20 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/LLVMTargetMachine.cpp
diff -u llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.11 llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.12
--- llvm/lib/CodeGen/LLVMTargetMachine.cpp:1.11	Fri Mar 30 19:24:43 2007
+++ llvm/lib/CodeGen/LLVMTargetMachine.cpp	Fri Mar 30 23:18:03 2007
@@ -23,7 +23,7 @@
 using namespace llvm;
 
 static cl::opt<bool> PrintLSR("print-lsr-output");
-
+static cl::opt<bool> PrintISelInput("print-isel-input");
 FileModel::Model
 LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
                                        std::ostream &Out,
@@ -48,6 +48,13 @@
   // Make sure that no unreachable blocks are instruction selected.
   PM.add(createUnreachableBlockEliminationPass());
 
+  if (!Fast)
+    PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+  if (PrintISelInput)
+    PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+                                 &cerr));
+  
   // Ask the target for an isel.
   if (addInstSelector(PM, Fast))
     return FileModel::Error;
@@ -126,7 +133,11 @@
   // Standard LLVM-Level Passes.
   
   // Run loop strength reduction before anything else.
-  if (!Fast) PM.add(createLoopStrengthReducePass(getTargetLowering()));
+  if (!Fast) {
+    PM.add(createLoopStrengthReducePass(getTargetLowering()));
+    if (PrintLSR)
+      PM.add(new PrintFunctionPass("\n\n*** Code after LSR *** \n", &cerr));
+  }
   
   // FIXME: Implement efficient support for garbage collection intrinsics.
   PM.add(createLowerGCPass());
@@ -137,6 +148,13 @@
   // Make sure that no unreachable blocks are instruction selected.
   PM.add(createUnreachableBlockEliminationPass());
 
+  if (!Fast)
+    PM.add(createCodeGenPreparePass(getTargetLowering()));
+
+  if (PrintISelInput)
+    PM.add(new PrintFunctionPass("\n\n*** Final LLVM Code input to ISel *** \n",
+                                 &cerr));
+
   // Ask the target for an isel.
   if (addInstSelector(PM, Fast))
     return true;