6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-12 13:38:21 +00:00
Code Issues Projects Releases Wiki Activity

Add a form of addPreserved which takes a string argument, to allow passes

Browse Source 
to declare that they preserve other passes without needing to pull in
additional header file or library dependencies. Convert MachineFunctionPass
and CodeGenLICM to make use of this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83555 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-10-08 17:00:02 +00:00
parent d4a537be05
commit 8a261e44f7
5 changed files with 52 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
lib/CodeGen/MachineFunctionPass.cpp
View File

@ -11,11 +11,8 @@
//
//===----------------------------------------------------------------------===//
#include "llvm/Function.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/IVUsers.h"
#include "llvm/Analysis/LiveValues.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
using namespace llvm;
@ -36,15 +33,18 @@ void MachineFunctionPass::getAnalysisUsage(AnalysisUsage &AU) const {
// MachineFunctionPass preserves all LLVM IR passes, but there's no
// high-level way to express this. Instead, just list a bunch of
// passes explicitly.
// passes explicitly. This does not include setPreservesCFG,
// because CodeGen overloads that to mean preserving the MachineBasicBlock
// CFG in addition to the LLVM IR CFG.
AU.addPreserved<AliasAnalysis>();
AU.addPreserved<ScalarEvolution>();
AU.addPreserved<IVUsers>();
AU.addPreserved<MemoryDependenceAnalysis>();
AU.addPreserved<LiveValues>();
AU.addPreserved<DominatorTree>();
AU.addPreserved<DominanceFrontier>();
AU.addPreserved<LoopInfo>();
AU.addPreserved("scalar-evolution");
AU.addPreserved("iv-users");
AU.addPreserved("memdep");
AU.addPreserved("live-values");
AU.addPreserved("domtree");
AU.addPreserved("domfrontier");
AU.addPreserved("loops");
AU.addPreserved("lda");
FunctionPass::getAnalysisUsage(AU);
}