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| author | hev <wangrui@loongson.cn> | 2023-12-05 10:42:53 +0900 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-12-05 09:42:53 +0800 |
| commit | a8874cf50bb676facb4429234dff7774e579faef (patch) | |
| tree | 6be8c35a41ca83803dcbf9efc37457ab014c9945 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 192439db6e3fcccf98c850bda1b970a11c590bbb (diff) | |
| download | llvm-a8874cf50bb676facb4429234dff7774e579faef.zip llvm-a8874cf50bb676facb4429234dff7774e579faef.tar.gz llvm-a8874cf50bb676facb4429234dff7774e579faef.tar.bz2 | |
[llvm][IR] Add per-global code model attribute (#72077)
This adds a per-global code model attribute, which can override the
target's code model to access global variables.
Suggested-by: Arthur Eubanks <aeubanks@google.com>
Link: https://discourse.llvm.org/t/how-to-best-implement-code-model-overriding-for-certain-values/71816
Link: https://discourse.llvm.org/t/rfc-add-per-global-code-model-attribute/74944
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 8239775..4969809 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -1403,7 +1403,7 @@ void ModuleBitcodeWriter::writeModuleInfo() { // GLOBALVAR: [strtab offset, strtab size, type, isconst, initid, // linkage, alignment, section, visibility, threadlocal, // unnamed_addr, externally_initialized, dllstorageclass, - // comdat, attributes, DSO_Local, GlobalSanitizer] + // comdat, attributes, DSO_Local, GlobalSanitizer, code_model] Vals.push_back(addToStrtab(GV.getName())); Vals.push_back(GV.getName().size()); Vals.push_back(VE.getTypeID(GV.getValueType())); @@ -1420,7 +1420,7 @@ void ModuleBitcodeWriter::writeModuleInfo() { GV.isExternallyInitialized() || GV.getDLLStorageClass() != GlobalValue::DefaultStorageClass || GV.hasComdat() || GV.hasAttributes() || GV.isDSOLocal() || - GV.hasPartition() || GV.hasSanitizerMetadata()) { + GV.hasPartition() || GV.hasSanitizerMetadata() || GV.getCodeModel()) { Vals.push_back(getEncodedVisibility(GV)); Vals.push_back(getEncodedThreadLocalMode(GV)); Vals.push_back(getEncodedUnnamedAddr(GV)); @@ -1438,6 +1438,7 @@ void ModuleBitcodeWriter::writeModuleInfo() { Vals.push_back((GV.hasSanitizerMetadata() ? serializeSanitizerMetadata( GV.getSanitizerMetadata()) : 0)); + Vals.push_back(GV.getCodeModelRaw()); } else { AbbrevToUse = SimpleGVarAbbrev; } |