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Make DataLayout Non-Optional in the Module

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Summary:
DataLayout keeps the string used for its creation.

As a side effect it is no longer needed in the Module.
This is "almost" NFC, the string is no longer
canonicalized, you can't rely on two "equals" DataLayout
having the same string returned by getStringRepresentation().

Get rid of DataLayoutPass: the DataLayout is in the Module

The DataLayout is "per-module", let's enforce this by not
duplicating it more than necessary.
One more step toward non-optionality of the DataLayout in the
module.

Make DataLayout Non-Optional in the Module

Module->getDataLayout() will never returns nullptr anymore.

Reviewers: echristo

Subscribers: resistor, llvm-commits, jholewinski

Differential Revision: http://reviews.llvm.org/D7992

From: Mehdi Amini <mehdi.amini@apple.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mehdi Amini
2015-03-04 18:43:29 +00:00
parent 2337c1fd83
commit c94da20917
163 changed files with 617 additions and 973 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Transforms/Instrumentation/SanitizerCoverage.cpp
View File

@ -104,10 +104,6 @@ class SanitizerCoverageModule : public ModulePass {
return "SanitizerCoverageModule";
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<DataLayoutPass>();
}
private:
void InjectCoverageForIndirectCalls(Function &F,
ArrayRef<Instruction *> IndirCalls);
@ -144,8 +140,8 @@ static Function *checkInterfaceFunction(Constant *FuncOrBitcast) {
bool SanitizerCoverageModule::runOnModule(Module &M) {
if (!CoverageLevel) return false;
C = &(M.getContext());
DataLayoutPass *DLP = &getAnalysis<DataLayoutPass>();
IntptrTy = Type::getIntNTy(*C, DLP->getDataLayout().getPointerSizeInBits());
auto &DL = M.getDataLayout();
IntptrTy = Type::getIntNTy(*C, DL.getPointerSizeInBits());
Type *VoidTy = Type::getVoidTy(*C);
IRBuilder<> IRB(*C);
Type *Int8PtrTy = PointerType::getUnqual(IRB.getInt8Ty());