Changes in directory llvm/lib/Target/Alpha:
AlphaJITInfo.h updated: 1.3 -> 1.4
AlphaTargetMachine.cpp updated: 1.28 -> 1.29
AlphaTargetMachine.h updated: 1.14 -> 1.15
---
Log message:
Completely rearchitect the interface between targets and the pass manager.
This pass:
1. Splits TargetMachine into TargetMachine (generic targets, can be implemented
any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by
things using libcodegen and other support).
2. Instead of having each target fully populate the passmgr for file or JIT
output, move all this to common code, and give targets hooks they can
implement.
3. Commonalize the target population stuff between file emission and JIT
emission.
4. All (native code) codegen stuff now happens in a FunctionPassManager, which
paves the way for "fast -O0" stuff in the CFE later, and now LLC could
lazily stream .bc files from disk to use less memory.
5. There are now many fewer #includes and the targets don't depend on the
scalar xforms or libanalysis anymore (but codegen does).
6. Changing common code generator pass ordering stuff no longer requires
touching all targets.
7. The JIT now has the option of "-fast" codegen or normal optimized codegen,
which is now orthogonal to the fact that JIT'ing is being done.
---
Diffs of the changes: (+25 -94)
AlphaJITInfo.h | 6 ---
AlphaTargetMachine.cpp | 95 ++++++++-----------------------------------------
AlphaTargetMachine.h | 18 ++++-----
3 files changed, 25 insertions(+), 94 deletions(-)
Index: llvm/lib/Target/Alpha/AlphaJITInfo.h
diff -u llvm/lib/Target/Alpha/AlphaJITInfo.h:1.3
llvm/lib/Target/Alpha/AlphaJITInfo.h:1.4
--- llvm/lib/Target/Alpha/AlphaJITInfo.h:1.3 Thu Jul 27 13:20:17 2006
+++ llvm/lib/Target/Alpha/AlphaJITInfo.h Sun Sep 3 23:14:57 2006
@@ -29,12 +29,6 @@
AlphaJITInfo(TargetMachine &tm) : TM(tm)
{ useGOT = true; }
- /// addPassesToJITCompile - Add passes to the specified pass manager to
- /// implement a fast dynamic compiler for this target. Return true if this
- /// is not supported for this target.
- ///
- virtual void addPassesToJITCompile(FunctionPassManager &PM);
-
virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE);
virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn);
virtual void relocate(void *Function, MachineRelocation *MR,
Index: llvm/lib/Target/Alpha/AlphaTargetMachine.cpp
diff -u llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.28
llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.29
--- llvm/lib/Target/Alpha/AlphaTargetMachine.cpp:1.28 Sun Sep 3 13:44:02 2006
+++ llvm/lib/Target/Alpha/AlphaTargetMachine.cpp Sun Sep 3 23:14:57 2006
@@ -14,12 +14,8 @@
#include "AlphaJITInfo.h"
#include "AlphaTargetMachine.h"
#include "llvm/Module.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/Target/TargetOptions.h"
+#include "llvm/PassManager.h"
#include "llvm/Target/TargetMachineRegistry.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Support/Debug.h"
-#include <iostream>
using namespace llvm;
@@ -57,89 +53,30 @@
: DataLayout("e"),
FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
JITInfo(*this),
- Subtarget(M, FS)
-{
- DEBUG(std::cerr << "FS is " << FS << "\n");
-}
-
-/// addPassesToEmitFile - Add passes to the specified pass manager to implement
-/// a static compiler for this target.
-///
-bool AlphaTargetMachine::addPassesToEmitFile(PassManager &PM,
- std::ostream &Out,
- CodeGenFileType FileType,
- bool Fast) {
- if (FileType != TargetMachine::AssemblyFile) return true;
-
- PM.add(createLoopStrengthReducePass());
- PM.add(createCFGSimplificationPass());
-
-
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
+ Subtarget(M, FS) {
+}
- // FIXME: Implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass());
- // Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
+//===----------------------------------------------------------------------===//
+// Pass Pipeline Configuration
+//===----------------------------------------------------------------------===//
+bool AlphaTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) {
PM.add(createAlphaISelDag(*this));
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createRegisterAllocator());
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createPrologEpilogCodeInserter());
-
- // Must run branch selection immediately preceding the asm printer
- //PM.add(createAlphaBranchSelectionPass());
-
- PM.add(createAlphaCodePrinterPass(Out, *this));
-
- PM.add(createMachineCodeDeleter());
return false;
}
-
-void AlphaJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
-
- PM.add(createLoopStrengthReducePass());
- PM.add(createCFGSimplificationPass());
-
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
-
- // FIXME: Implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass());
-
- // Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
-
- PM.add(createAlphaISelDag(TM));
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createRegisterAllocator());
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- PM.add(createPrologEpilogCodeInserter());
-
+bool AlphaTargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) {
// Must run branch selection immediately preceding the asm printer
//PM.add(createAlphaBranchSelectionPass());
-
+ return false;
}
-
-bool AlphaTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
- MachineCodeEmitter &MCE) {
+bool AlphaTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool
Fast,
+ std::ostream &Out) {
+ PM.add(createAlphaCodePrinterPass(Out, *this));
+ return false;
+}
+bool AlphaTargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast,
+ MachineCodeEmitter &MCE) {
PM.add(createAlphaCodeEmitterPass(*this, MCE));
- // Delete machine code for this function
- PM.add(createMachineCodeDeleter());
return false;
}
Index: llvm/lib/Target/Alpha/AlphaTargetMachine.h
diff -u llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.14
llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.15
--- llvm/lib/Target/Alpha/AlphaTargetMachine.h:1.14 Fri May 12 01:33:48 2006
+++ llvm/lib/Target/Alpha/AlphaTargetMachine.h Sun Sep 3 23:14:57 2006
@@ -17,7 +17,6 @@
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
-#include "llvm/PassManager.h"
#include "AlphaInstrInfo.h"
#include "AlphaJITInfo.h"
#include "AlphaSubtarget.h"
@@ -26,7 +25,7 @@
class GlobalValue;
-class AlphaTargetMachine : public TargetMachine {
+class AlphaTargetMachine : public LLVMTargetMachine {
const TargetData DataLayout; // Calculates type size & alignment
AlphaInstrInfo InstrInfo;
TargetFrameInfo FrameInfo;
@@ -48,14 +47,15 @@
}
static unsigned getJITMatchQuality();
-
- virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
- MachineCodeEmitter &MCE);
-
- virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
- CodeGenFileType FileType, bool Fast);
-
static unsigned getModuleMatchQuality(const Module &M);
+
+ // Pass Pipeline Configuration
+ virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
+ virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast);
+ virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
+ std::ostream &Out);
+ virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
+ MachineCodeEmitter &MCE);
};
} // end namespace llvm
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