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author | Manman Ren <mren@apple.com> | 2013-07-16 23:21:16 +0000 |
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committer | Manman Ren <mren@apple.com> | 2013-07-16 23:21:16 +0000 |
commit | c8cfaa1625a72aa3660a268dae753748cfed67d0 (patch) | |
tree | 523227b3a178285f153dc936af39f89be72ace67 /lib | |
parent | 45193d39d9af6bf668ca248a4c4d9fd066e7760c (diff) | |
download | llvm-c8cfaa1625a72aa3660a268dae753748cfed67d0.tar.gz llvm-c8cfaa1625a72aa3660a268dae753748cfed67d0.tar.bz2 llvm-c8cfaa1625a72aa3660a268dae753748cfed67d0.tar.xz |
Add getModuleFlag(StringRef Key) to query a module flag given Key.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186470 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 15 | ||||
-rw-r--r-- | lib/IR/Module.cpp | 13 |
2 files changed, 17 insertions, 11 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index a35cfa2ec9..254ecd256d 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -164,17 +164,10 @@ DIType DbgVariable::getType() const { /// Return Dwarf Version by checking module flags. static unsigned getDwarfVersionFromModule(const Module *M) { - SmallVector<Module::ModuleFlagEntry, 8> ModuleFlags; - M->getModuleFlagsMetadata(ModuleFlags); - for (unsigned I = 0, E = ModuleFlags.size(); I < E; ++I) { - const Module::ModuleFlagEntry &MFE = ModuleFlags[I]; - StringRef Key = MFE.Key->getString(); - Value *Val = MFE.Val; - - if (Key == "Dwarf Version") - return cast<ConstantInt>(Val)->getZExtValue(); - } - return dwarf::DWARF_VERSION; + Value *Val = M->getModuleFlag("Dwarf Version"); + if (!Val) + return dwarf::DWARF_VERSION; + return cast<ConstantInt>(Val)->getZExtValue(); } DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M) diff --git a/lib/IR/Module.cpp b/lib/IR/Module.cpp index 3f505aa3e0..3d3dc737a1 100644 --- a/lib/IR/Module.cpp +++ b/lib/IR/Module.cpp @@ -325,6 +325,19 @@ getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const { } } +/// Return the corresponding value if Key appears in module flags, otherwise +/// return null. +Value *Module::getModuleFlag(StringRef Key) const { + SmallVector<Module::ModuleFlagEntry, 8> ModuleFlags; + getModuleFlagsMetadata(ModuleFlags); + for (unsigned I = 0, E = ModuleFlags.size(); I < E; ++I) { + const ModuleFlagEntry &MFE = ModuleFlags[I]; + if (Key == MFE.Key->getString()) + return MFE.Val; + } + return 0; +} + /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that /// represents module-level flags. This method returns null if there are no /// module-level flags. |