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Fix a few more places where TargetData/TargetLibraryInfo is not being passed.

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Add FIXMEs to places that are non-trivial to fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145661 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2011-12-02 01:26:24 +00:00
parent 7636bf6530
commit aab8e28d5e
12 changed files with 79 additions and 40 deletions
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12
lib/Transforms/Scalar/LICM.cpp
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@@ -45,6 +45,8 @@
#include "llvm/Analysis/Dominators.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/SSAUpdater.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
@@ -84,6 +86,7 @@ namespace {
AU.addPreserved<AliasAnalysis>();
AU.addPreserved("scalar-evolution");
AU.addPreservedID(LoopSimplifyID);
AU.addRequired<TargetLibraryInfo>();
}
bool doFinalization() {
@@ -96,6 +99,9 @@ namespace {
LoopInfo *LI; // Current LoopInfo
DominatorTree *DT; // Dominator Tree for the current Loop.
TargetData *TD; // TargetData for constant folding.
TargetLibraryInfo *TLI; // TargetLibraryInfo for constant folding.
// State that is updated as we process loops.
bool Changed; // Set to true when we change anything.
BasicBlock *Preheader; // The preheader block of the current loop...
@@ -177,6 +183,7 @@ INITIALIZE_PASS_BEGIN(LICM, "licm", "Loop Invariant Code Motion", false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTree)
INITIALIZE_PASS_DEPENDENCY(LoopInfo)
INITIALIZE_PASS_DEPENDENCY(LoopSimplify)
INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfo)
INITIALIZE_AG_DEPENDENCY(AliasAnalysis)
INITIALIZE_PASS_END(LICM, "licm", "Loop Invariant Code Motion", false, false)
@@ -194,6 +201,9 @@ bool LICM::runOnLoop(Loop *L, LPPassManager &LPM) {
AA = &getAnalysis<AliasAnalysis>();
DT = &getAnalysis<DominatorTree>();
TD = getAnalysisIfAvailable<TargetData>();
TLI = &getAnalysis<TargetLibraryInfo>();
CurAST = new AliasSetTracker(*AA);
// Collect Alias info from subloops.
for (Loop::iterator LoopItr = L->begin(), LoopItrE = L->end();
@@ -333,7 +343,7 @@ void LICM::HoistRegion(DomTreeNode *N) {
// Try constant folding this instruction. If all the operands are
// constants, it is technically hoistable, but it would be better to just
// fold it.
if (Constant *C = ConstantFoldInstruction(&I)) {
if (Constant *C = ConstantFoldInstruction(&I, TD, TLI)) {
DEBUG(dbgs() << "LICM folding inst: " << I << " --> " << *C << '\n');
CurAST->copyValue(&I, C);
CurAST->deleteValue(&I);