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| author | Sriraman Tallam <tmsriram@google.com> | 2018-02-23 21:32:06 +0000 |
|---|---|---|
| committer | Sriraman Tallam <tmsriram@google.com> | 2018-02-23 21:32:06 +0000 |
| commit | 609f8c013c0b68ee051294f3e7ad6786d83bafac (patch) | |
| tree | 6b8f8a903e354f32b86238bc9ae1ef0dce25ad42 /llvm/lib/IR/Module.cpp | |
| parent | 80af005a485357bf87e0d58f6d4fbab1d186881b (diff) | |
| download | llvm-609f8c013c0b68ee051294f3e7ad6786d83bafac.zip llvm-609f8c013c0b68ee051294f3e7ad6786d83bafac.tar.gz llvm-609f8c013c0b68ee051294f3e7ad6786d83bafac.tar.bz2 | |
Intrinsics calls should avoid the PLT when "RtLibUseGOT" metadata is present.
Differential Revision: https://reviews.llvm.org/D42216
llvm-svn: 325962
Diffstat (limited to 'llvm/lib/IR/Module.cpp')
| -rw-r--r-- | llvm/lib/IR/Module.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp index c230a500..9f1e609 100644 --- a/llvm/lib/IR/Module.cpp +++ b/llvm/lib/IR/Module.cpp @@ -510,6 +510,15 @@ void Module::setOwnedMemoryBuffer(std::unique_ptr<MemoryBuffer> MB) { OwnedMemoryBuffer = std::move(MB); } +bool Module::getRtLibUseGOT() const { + auto *Val = cast_or_null<ConstantAsMetadata>(getModuleFlag("RtLibUseGOT")); + return Val && (cast<ConstantInt>(Val->getValue())->getZExtValue() > 0); +} + +void Module::setRtLibUseGOT() { + addModuleFlag(ModFlagBehavior::Max, "RtLibUseGOT", 1); +} + GlobalVariable *llvm::collectUsedGlobalVariables( const Module &M, SmallPtrSetImpl<GlobalValue *> &Set, bool CompilerUsed) { const char *Name = CompilerUsed ? "llvm.compiler.used" : "llvm.used"; |