diff options
Diffstat (limited to 'utils/TableGen/IntrinsicEmitter.cpp')
-rw-r--r-- | utils/TableGen/IntrinsicEmitter.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp index 4c739e9b3a..c56e9507c0 100644 --- a/utils/TableGen/IntrinsicEmitter.cpp +++ b/utils/TableGen/IntrinsicEmitter.cpp @@ -124,7 +124,10 @@ void IntrinsicEmitter::run(std::ostream &OS) { // Emit mod/ref info for each function. EmitModRefInfo(Ints, OS); - // Emit side effect info for each function. + // Emit table of non-memory accessing intrinsics. + EmitNoMemoryInfo(Ints, OS); + + // Emit side effect info for each intrinsic. EmitSideEffectInfo(Ints, OS); // Emit a list of intrinsics with corresponding GCC builtins. @@ -254,6 +257,25 @@ void IntrinsicEmitter::EmitModRefInfo(const std::vector<CodeGenIntrinsic> &Ints, } void IntrinsicEmitter:: +EmitNoMemoryInfo(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS) { + OS << "// SelectionDAGIsel code.\n"; + OS << "#ifdef GET_NO_MEMORY_INTRINSICS\n"; + OS << " switch (IntrinsicID) {\n"; + OS << " default: break;\n"; + for (unsigned i = 0, e = Ints.size(); i != e; ++i) { + switch (Ints[i].ModRef) { + default: break; + case CodeGenIntrinsic::NoMem: + OS << " case Intrinsic::" << Ints[i].EnumName << ":\n"; + break; + } + } + OS << " return true; // These intrinsics have no side effects.\n"; + OS << " }\n"; + OS << "#endif\n\n"; +} + +void IntrinsicEmitter:: EmitSideEffectInfo(const std::vector<CodeGenIntrinsic> &Ints, std::ostream &OS){ OS << "// isInstructionTriviallyDead code.\n"; OS << "#ifdef GET_SIDE_EFFECT_INFO\n"; |