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Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184352 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-06-19 21:07:11 +00:00
parent 4655485eb7
commit f9fd58a44b
7 changed files with 31 additions and 31 deletions
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10
lib/Transforms/Scalar/CodeGenPrepare.cpp
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@@ -76,6 +76,7 @@ namespace {
class CodeGenPrepare : public FunctionPass {
/// TLI - Keep a pointer of a TargetLowering to consult for determining
/// transformation profitability.
const TargetMachine *TM;
const TargetLowering *TLI;
const TargetLibraryInfo *TLInfo;
DominatorTree *DT;
@@ -100,8 +101,8 @@ namespace {
public:
static char ID; // Pass identification, replacement for typeid
explicit CodeGenPrepare(const TargetLowering *tli = 0)
: FunctionPass(ID), TLI(tli) {
explicit CodeGenPrepare(const TargetMachine *TM = 0)
: FunctionPass(ID), TM(TM), TLI(0) {
initializeCodeGenPreparePass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function &F);
@@ -139,14 +140,15 @@ INITIALIZE_PASS_DEPENDENCY(TargetLibraryInfo)
INITIALIZE_PASS_END(CodeGenPrepare, "codegenprepare",
"Optimize for code generation", false, false)
FunctionPass *llvm::createCodeGenPreparePass(const TargetLowering *TLI) {
return new CodeGenPrepare(TLI);
FunctionPass *llvm::createCodeGenPreparePass(const TargetMachine *TM) {
return new CodeGenPrepare(TM);
}
bool CodeGenPrepare::runOnFunction(Function &F) {
bool EverMadeChange = false;
ModifiedDT = false;
if (TM) TLI = TM->getTargetLowering();
TLInfo = &getAnalysis<TargetLibraryInfo>();
DT = getAnalysisIfAvailable<DominatorTree>();
PFI = getAnalysisIfAvailable<ProfileInfo>();