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Teach rustc about DW_AT_noreturn and a few more DIFlags

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This commit is contained in:
A.J. Gardner 2018-01-20 14:32:33 -06:00
parent 15a1e2844d
commit 7188706c4f
4 changed files with 54 additions and 2 deletions
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20
src/rustllvm/RustWrapper.cpp
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@ -457,9 +457,13 @@ enum class LLVMRustDIFlags : uint32_t {
FlagStaticMember = (1 << 12),
FlagLValueReference = (1 << 13),
FlagRValueReference = (1 << 14),
FlagMainSubprogram = (1 << 21),
FlagExternalTypeRef = (1 << 15),
FlagIntroducedVirtual = (1 << 18),
FlagBitField = (1 << 19),
FlagNoReturn = (1 << 20),
FlagMainSubprogram = (1 << 21),
// Do not add values that are not supported by the minimum LLVM
// version we support!
// version we support! see llvm/include/llvm/IR/DebugInfoFlags.def
};
inline LLVMRustDIFlags operator&(LLVMRustDIFlags A, LLVMRustDIFlags B) {
@ -545,6 +549,18 @@ static unsigned fromRust(LLVMRustDIFlags Flags) {
Result |= DINode::DIFlags::FlagRValueReference;
}
#if LLVM_RUSTLLVM || LLVM_VERSION_GE(4, 0)
if (isSet(Flags & LLVMRustDIFlags::FlagExternalTypeRef)) {
Result |= DINode::DIFlags::FlagExternalTypeRef;
}
if (isSet(Flags & LLVMRustDIFlags::FlagIntroducedVirtual)) {
Result |= DINode::DIFlags::FlagIntroducedVirtual;
}
if (isSet(Flags & LLVMRustDIFlags::FlagBitField)) {
Result |= DINode::DIFlags::FlagBitField;
}
if (isSet(Flags & LLVMRustDIFlags::FlagNoReturn)) {
Result |= DINode::DIFlags::FlagNoReturn;
}
if (isSet(Flags & LLVMRustDIFlags::FlagMainSubprogram)) {
Result |= DINode::DIFlags::FlagMainSubprogram;
}