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Move subreg lowering pass to be right after regalloc, per feedback.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40548 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Christopher Lamb
2007-07-27 07:36:14 +00:00
parent 3e22947d9a
commit ada779fb11
1 changed files with 10 additions and 4 deletions
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14
lib/CodeGen/LLVMTargetMachine.cpp
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@ -73,6 +73,11 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (PrintMachineCode) if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createLowerSubregsPass());
if (PrintMachineCode) // Print the subreg lowered code
PM.add(createMachineFunctionPrinterPass(cerr));
// Run post-ra passes. // Run post-ra passes.
if (addPostRegAlloc(PM, Fast) && PrintMachineCode) if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
@ -97,8 +102,6 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (addPreEmitPass(PM, Fast) && PrintMachineCode) if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createLowerSubregsPass());
switch (FileType) { switch (FileType) {
default: default:
break; break;
@ -179,6 +182,11 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (PrintMachineCode) if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createLowerSubregsPass());
if (PrintMachineCode) // Print the subreg lowered code
PM.add(createMachineFunctionPrinterPass(cerr));
// Run post-ra passes. // Run post-ra passes.
if (addPostRegAlloc(PM, Fast) && PrintMachineCode) if (addPostRegAlloc(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
@ -200,8 +208,6 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (addPreEmitPass(PM, Fast) && PrintMachineCode) if (addPreEmitPass(PM, Fast) && PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr)); PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createLowerSubregsPass());
addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE); addCodeEmitter(PM, Fast, PrintEmittedAsm, MCE);
// Delete machine code for this function // Delete machine code for this function