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Teresa Johnson 2db1369c1f Support for taking the max of module flags when linking, use for PIE/PIC 
Summary:
Add Max ModFlagBehavior, which can be used to take the max of two
module flag values when merging modules. Use it for the PIE and PIC
levels.

This avoids an error when we try to import from a module built -fpic
into a module built -fPIC, for example. For both PIE and PIC levels,
this will be legal, since the code generation gets more conservative
as the level is increased. Therefore we can take the max instead of
somehow trying to block importing between modules compiled with
different levels.

Reviewers: tmsriram, pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D33418

llvm-svn: 303590
 		2017-05-23 00:08:00 +00:00
..
AsmWriter.cpp [IR] Allow attributes with global variables 2017-05-11 12:28:08 +00:00
AttributeImpl.h [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-15 21:57:41 +00:00
Attributes.cpp Fix off-by-one bug in AttributeList::addAttributes index handling 2017-05-19 22:23:47 +00:00
AttributesCompatFunc.td
…
AutoUpgrade.cpp Added missing break. 2017-05-19 20:31:51 +00:00
BasicBlock.cpp [IR] Share implementation for pairs of const and non-const methods using const_cast. NFCI 2017-03-27 05:46:58 +00:00
CMakeLists.txt [CMake] NFC. Updating CMake dependency specifications 2016-11-17 04:36:50 +00:00
Comdat.cpp [IR] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-02-17 00:00:09 +00:00
ConstantFold.cpp ConstantFold: Handle gep nonnull, undef as well 2017-05-08 17:37:33 +00:00
ConstantFold.h IR: Introduce inrange attribute on getelementptr indices. 2016-11-10 22:34:55 +00:00
ConstantRange.cpp [ConstantRange] Fix the early out in ConstantRange::multiply for positive numbers to really do what the comment says 2017-05-10 20:01:48 +00:00
Constants.cpp SimplifyLibCalls: Optimize wcslen 2017-05-19 22:37:09 +00:00
ConstantsContext.h [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Core.cpp Prefer addAttr(Attribute::AttrKind) over the AttributeList overload 2017-04-19 17:28:52 +00:00
DIBuilder.cpp Remove line and file from DINamespace. 2017-04-28 22:25:46 +00:00
DataLayout.cpp [DataLayout] Add llvm_unreachable to the default of a nested switch statement that covers all values given to it by the outer switch. NFC 2017-05-22 19:28:36 +00:00
DebugInfo.cpp [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-05 22:30:37 +00:00
DebugInfoMetadata.cpp [codeview] Check for a DIExpression offset for local variables 2017-05-09 19:59:29 +00:00
DebugLoc.cpp Make it illegal for two Functions to point to the same DISubprogram 2017-05-09 19:47:37 +00:00
DiagnosticInfo.cpp IR: Give function GlobalValue::getRealLinkageName() a less misleading name: dropLLVMManglingEscape(). 2017-05-16 00:39:01 +00:00
DiagnosticPrinter.cpp
…
Dominators.cpp Revert "Do not verify dominator tree if it has no roots" 2017-01-25 17:15:48 +00:00
Function.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
GCOV.cpp [gcov] Sort file info before printing it 2017-04-26 00:16:10 +00:00
GVMaterializer.cpp
…
Globals.cpp Add support for handling ifuncs to GlobalValue::getBaseObject 2017-05-15 18:28:29 +00:00
IRBuilder.cpp Fix vector pass-through value being unused in IRBuilder::CreateMaskedGather 2017-05-19 10:40:18 +00:00
IRPrintingPasses.cpp Implement getPassName() for IR printing passes. 2017-03-10 07:09:20 +00:00
InlineAsm.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Instruction.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Instructions.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
IntrinsicInst.cpp Add intrinsics for constrained floating point operations 2017-01-26 23:27:59 +00:00
LLVMBuild.txt
…
LLVMContext.cpp Add !associated metadata. 2017-03-17 22:17:24 +00:00
LLVMContextImpl.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
LLVMContextImpl.h [APInt] Give the value union a name so we can remove assumptions on VAL being the larger member 2017-05-03 15:46:24 +00:00
LegacyPassManager.cpp [LTO] Print time-passes information at conclusion of LTO codegen 2017-05-16 09:43:21 +00:00
MDBuilder.cpp Add function importing info from samplepgo profile to the module summary. 2017-02-28 18:09:44 +00:00
Mangler.cpp Move llvm::emitLinkerFlagsForGlobalCOFF() to Mangler. 2017-03-31 04:46:50 +00:00
Metadata.cpp [Metadata] Fix typos in comments. NFC 2017-04-27 05:48:29 +00:00
MetadataImpl.h
…
Module.cpp Support for taking the max of module flags when linking, use for PIE/PIC 2017-05-23 00:08:00 +00:00
ModuleSummaryIndex.cpp Re-apply r302108, "IR: Use pointers instead of GUIDs to represent edges in the module summary. NFCI." 2017-05-04 18:03:25 +00:00
Operator.cpp [IR] Remove some unneeded includes from Operator.h and fix cpp files that were transitively depending on it. NFC 2017-03-20 05:08:41 +00:00
OptBisect.cpp Remove opt-bisect support for "cases" in favor of debug counters 2017-03-11 01:41:03 +00:00
Pass.cpp Cleanup dump() functions. 2017-01-28 02:02:38 +00:00
PassManager.cpp [PM] Introduce an analysis set used to preserve all analyses over 2017-01-15 06:32:49 +00:00
PassRegistry.cpp [LegacyPassManager] Remove TargetMachine constructors 2017-05-18 17:21:13 +00:00
ProfileSummary.cpp Reapply r271728 after adding move cobstructor for ProfileSummaryInfo 2016-06-03 22:54:26 +00:00
Statepoint.cpp Rename AttributeSet to AttributeList 2017-03-21 16:57:19 +00:00
SymbolTableListTraitsImpl.h ADT: Remove external uses of ilist_iterator, NFC 2016-09-03 01:22:56 +00:00
Type.cpp [IR] Fix some Clang-tidy modernize-use-using warnings; other minor fixes (NFC). 2017-05-12 22:25:07 +00:00
TypeFinder.cpp [IR] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-02-17 00:00:09 +00:00
Use.cpp
…
User.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
Value.cpp [IR] De-virtualize ~Value to save a vptr 2017-05-18 17:24:10 +00:00
ValueSymbolTable.cpp [IR] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-02-17 00:00:09 +00:00
ValueTypes.cpp [MVT] add v1i1 MVT 2017-05-18 11:29:41 +00:00
Verifier.cpp Support for taking the max of module flags when linking, use for PIE/PIC 2017-05-23 00:08:00 +00:00