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author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
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committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 17:57:32 +0000 |
commit | cd749a9c07f1de2fb8affde90537efa4bc3e7c54 (patch) | |
tree | b21f6de4e08b89bb7931806bab798fc2a5e3a686 /lib/CodeGen/MachineFunctionAnalysis.cpp | |
parent | 72621d11de5b873f1695f391eb95f0b336c3d2d4 (diff) | |
download | FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.zip FreeBSD-src-cd749a9c07f1de2fb8affde90537efa4bc3e7c54.tar.gz |
Update llvm to r84119.
Diffstat (limited to 'lib/CodeGen/MachineFunctionAnalysis.cpp')
-rw-r--r-- | lib/CodeGen/MachineFunctionAnalysis.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineFunctionAnalysis.cpp b/lib/CodeGen/MachineFunctionAnalysis.cpp new file mode 100644 index 0000000..56294d9 --- /dev/null +++ b/lib/CodeGen/MachineFunctionAnalysis.cpp @@ -0,0 +1,50 @@ +//===-- MachineFunctionAnalysis.cpp ---------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains the definitions of the MachineFunctionAnalysis members. +// +//===----------------------------------------------------------------------===// + +#include "llvm/CodeGen/MachineFunctionAnalysis.h" +#include "llvm/CodeGen/MachineFunction.h" +using namespace llvm; + +// Register this pass with PassInfo directly to avoid having to define +// a default constructor. +static PassInfo +X("Machine Function Analysis", "machine-function-analysis", + intptr_t(&MachineFunctionAnalysis::ID), 0, + /*CFGOnly=*/false, /*is_analysis=*/true); + +char MachineFunctionAnalysis::ID = 0; + +MachineFunctionAnalysis::MachineFunctionAnalysis(TargetMachine &tm, + CodeGenOpt::Level OL) : + FunctionPass(&ID), TM(tm), OptLevel(OL), MF(0) { +} + +MachineFunctionAnalysis::~MachineFunctionAnalysis() { + releaseMemory(); + assert(!MF && "MachineFunctionAnalysis left initialized!"); +} + +bool MachineFunctionAnalysis::runOnFunction(Function &F) { + assert(!MF && "MachineFunctionAnalysis already initialized!"); + MF = new MachineFunction(&F, TM); + return false; +} + +void MachineFunctionAnalysis::releaseMemory() { + delete MF; + MF = 0; +} + +void MachineFunctionAnalysis::getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); +} |