From 4b6bd16c2b2dd82f3764918d0129edd6c6613368 Mon Sep 17 00:00:00 2001 From: Anand Shukla Date: Sat, 21 Sep 2002 05:01:21 +0000 Subject: [PATCH] Changed codegen to add 2 empty slots at the top of stack using StackSlots pass llvm-svn: 3873 --- llvm/lib/Target/TargetMachine.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp index 8d9a832d2816..a30f93ee6b7b 100644 --- a/llvm/lib/Target/TargetMachine.cpp +++ b/llvm/lib/Target/TargetMachine.cpp @@ -9,6 +9,7 @@ #include "llvm/Target/MachineInstrInfo.h" #include "llvm/Target/MachineCacheInfo.h" #include "llvm/CodeGen/PreSelection.h" +#include "llvm/CodeGen/StackSlots.h" #include "llvm/CodeGen/InstrSelection.h" #include "llvm/CodeGen/InstrScheduling.h" #include "llvm/CodeGen/RegisterAllocation.h" @@ -119,6 +120,10 @@ TargetMachine::addPassesToEmitAssembly(PassManager &PM, std::ostream &Out) // Construct and initialize the MachineCodeForMethod object for this fn. PM.add(new ConstructMachineCodeForFunction(*this)); + //Insert empty stackslots in the stack frame of each function + //so %fp+offset-8 and %fp+offset-16 are empty slots now! + PM.add(createStackSlotsPass(*this)); + // Specialize LLVM code for this target machine and then // run basic dataflow optimizations on LLVM code. if (!DisablePreSelect)