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Several related changes:

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1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
   from the MachineCodeEmitter interface, and reducing the amount of target-
   specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
   *right* next to the functions that they belong to, instead of in a separate
   pool of memory.  This makes all memory for a function be contiguous, and
   means the JITEmitter only tracks one block of memory now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-05-02 23:22:24 +00:00
parent 1f4549f35c
commit f75f9be3fb
6 changed files with 34 additions and 63 deletions
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10
lib/CodeGen/ELFWriter.cpp
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@@ -58,10 +58,6 @@ namespace llvm {
void startFunction(MachineFunction &F);
bool finishFunction(MachineFunction &F);
void emitConstantPool(MachineConstantPool *MCP) {
if (MCP->isEmpty()) return;
assert(0 && "unimp");
}
void addRelocation(const MachineRelocation &MR) {
assert(0 && "relo not handled yet!");
}
@@ -73,6 +69,12 @@ namespace llvm {
assert(0 && "JT not implementated yet!");
return 0;
}
virtual void emitJumpTableInfo(MachineJumpTableInfo *MJTI,
std::map<MachineBasicBlock*,uint64_t> &MBBM){
assert(0 && "JT not implementated yet!");
}
/// JIT SPECIFIC FUNCTIONS - DO NOT IMPLEMENT THESE HERE!
void startFunctionStub(unsigned StubSize) {