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[Bitcode] Add enums for call instruction markers and flags. NFC.

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This commit adds enums in LLVMBitCodes.h to improve readability and
maintainability. This is a follow-up to r252368 which was discussed
here:

http://reviews.llvm.org/D12923

llvm-svn: 252395
This commit is contained in:
Akira Hatanaka
2015-11-07 02:48:49 +00:00
parent 00406472e8
commit 97cb397132
3 changed files with 19 additions and 8 deletions
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10
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -4946,7 +4946,7 @@ std::error_code BitcodeReader::parseFunctionBody(Function *F) {
unsigned CCInfo = Record[OpNum++];
FunctionType *FTy = nullptr;
if (CCInfo >> 15 & 1 &&
if (CCInfo >> bitc::CALL_EXPLICIT_TYPE & 1 &&
!(FTy = dyn_cast<FunctionType>(getTypeByID(Record[OpNum++]))))
return error("Explicit call type is not a function type");
@@ -4996,13 +4996,13 @@ std::error_code BitcodeReader::parseFunctionBody(Function *F) {
OperandBundles.clear();
InstructionList.push_back(I);
cast<CallInst>(I)->setCallingConv(
static_cast<CallingConv::ID>((0x7ff & CCInfo) >> 1));
static_cast<CallingConv::ID>((0x7ff & CCInfo) >> bitc::CALL_CCONV));
CallInst::TailCallKind TCK = CallInst::TCK_None;
if (CCInfo & 1)
if (CCInfo & 1 << bitc::CALL_TAIL)
TCK = CallInst::TCK_Tail;
if (CCInfo & (1 << 14))
if (CCInfo & (1 << bitc::CALL_MUSTTAIL))
TCK = CallInst::TCK_MustTail;
if (CCInfo & (1 << 16))
if (CCInfo & (1 << bitc::CALL_NOTAIL))
TCK = CallInst::TCK_NoTail;
cast<CallInst>(I)->setTailCallKind(TCK);
cast<CallInst>(I)->setAttributes(PAL);