Vendor import of llvm release_32 branch r168974 (effectively, 3.2 RC2):

http://llvm.org/svn/llvm-project/llvm/branches/release_32@168974

1 files changed, 11 insertions, 6 deletions

diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index cfa3eec..4ea21d4 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -49,8 +49,8 @@ static cl::opt<bool> DisableSSC("disable-ssc", cl::Hidden,
     cl::desc("Disable Stack Slot Coloring"));
 static cl::opt<bool> DisableMachineDCE("disable-machine-dce", cl::Hidden,
     cl::desc("Disable Machine Dead Code Elimination"));
-static cl::opt<bool> EnableEarlyIfConversion("enable-early-ifcvt", cl::Hidden,
-    cl::desc("Enable Early If-conversion"));
+static cl::opt<bool> DisableEarlyIfConversion("disable-early-ifcvt", cl::Hidden,
+    cl::desc("Disable Early If-conversion"));
 static cl::opt<bool> DisableMachineLICM("disable-machine-licm", cl::Hidden,
     cl::desc("Disable Machine LICM"));
 static cl::opt<bool> DisableMachineCSE("disable-machine-cse", cl::Hidden,
@@ -161,7 +161,7 @@ static AnalysisID overridePass(AnalysisID StandardID, AnalysisID TargetID) {
     return applyDisable(TargetID, DisableMachineDCE);
 
   if (StandardID == &EarlyIfConverterID)
-    return applyDisable(TargetID, !EnableEarlyIfConversion);
+    return applyDisable(TargetID, DisableEarlyIfConversion);
 
   if (StandardID == &MachineLICMID)
     return applyDisable(TargetID, DisableMachineLICM);
@@ -447,8 +447,8 @@ void TargetPassConfig::addMachinePasses() {
     const PassInfo *TPI = PR->getPassInfo(PrintMachineInstrs.getValue());
     const PassInfo *IPI = PR->getPassInfo(StringRef("print-machineinstrs"));
     assert (TPI && IPI && "Pass ID not registered!");
-    const char *TID = (char *)(TPI->getTypeInfo());
-    const char *IID = (char *)(IPI->getTypeInfo());
+    const char *TID = (const char *)(TPI->getTypeInfo());
+    const char *IID = (const char *)(IPI->getTypeInfo());
     insertPass(TID, IID);
   }
 
@@ -456,7 +456,8 @@ void TargetPassConfig::addMachinePasses() {
   printAndVerify("After Instruction Selection");
 
   // Expand pseudo-instructions emitted by ISel.
-  addPass(&ExpandISelPseudosID);
+  if (addPass(&ExpandISelPseudosID))
+    printAndVerify("After ExpandISelPseudos");
 
   // Add passes that optimize machine instructions in SSA form.
   if (getOptLevel() != CodeGenOpt::None) {
@@ -528,6 +529,10 @@ void TargetPassConfig::addMachineSSAOptimization() {
   // instructions dead.
   addPass(&OptimizePHIsID);
 
+  // This pass merges large allocas. StackSlotColoring is a different pass
+  // which merges spill slots.
+  addPass(&StackColoringID);
+
   // If the target requests it, assign local variables to stack slots relative
   // to one another and simplify frame index references where possible.
   addPass(&LocalStackSlotAllocationID);