X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FX86%2FX86TargetMachine.cpp;h=7d5e5ce4e96b822f214207d21c2edf1dc395f099;hb=7d25589ee19747720a6cdb045ae442332f90bbcf;hp=50780fa61d5522af4ca4671fd25adabadd9dbc0e;hpb=3dffa7953f1c532944931c6fd77ab02ea3af00c1;p=oota-llvm.git

diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 50780fa61d5..7d5e5ce4e96 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -5,6 +5,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "X86TargetMachine.h"
+#include "llvm/Transforms/Scalar.h"
 #include "llvm/Target/TargetMachineImpls.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/PassManager.h"
@@ -28,6 +29,11 @@ X86TargetMachine::X86TargetMachine() : TargetMachine("X86", 1, 4, 4, 4) {
 /// not supported for this target.
 ///
 bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
+  // For the moment we have decided that malloc and free will be
+  // taken care of by converting them to calls, using the existing
+  // LLVM scalar transforms pass to do this.
+  PM.add(createLowerAllocationsPass());
+
   PM.add(createSimpleX86InstructionSelector(*this));
 
   // TODO: optional optimizations go here
@@ -36,8 +42,12 @@ bool X86TargetMachine::addPassesToJITCompile(PassManager &PM) {
   PM.add(createMachineFunctionPrinterPass());
 
   // Perform register allocation to convert to a concrete x86 representation
-  //PM.add(createSimpleX86RegisterAllocator(*this));
+  PM.add(createSimpleX86RegisterAllocator(*this));
+
+  // Print the instruction selected machine code...
+  // PM.add(createMachineFunctionPrinterPass());
 
+  // Print the register-allocated code
   PM.add(createX86CodePrinterPass(*this, std::cerr));
 
   //PM.add(createEmitX86CodeToMemory(*this));