Sami Tolvanen 5dc8aaac39 [llvm][IR] Add no_cfi constant ... With Control-Flow Integrity (CFI), the LowerTypeTests pass replaces function references with CFI jump table references, which is a problem for low-level code that needs the address of the actual function body. For example, in the Linux kernel, the code that sets up interrupt handlers needs to take the address of the interrupt handler function instead of the CFI jump table, as the jump table may not even be mapped into memory when an interrupt is triggered. This change adds the no_cfi constant type, which wraps function references in a value that LowerTypeTestsModule::replaceCfiUses does not replace. Link: https://github.com/ClangBuiltLinux/linux/issues/1353 Reviewed By: nickdesaulniers, pcc Differential Revision: https://reviews.llvm.org/D108478		2021-12-20 12:55:32 -08:00
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CMakeLists.txt	llvmbuildectomy - replace llvm-build by plain cmake	2020-11-13 10:35:24 +01:00
LLLexer.cpp	[llvm][IR] Add no_cfi constant	2021-12-20 12:55:32 -08:00
LLParser.cpp	[llvm][IR] Add no_cfi constant	2021-12-20 12:55:32 -08:00
Parser.cpp	[Lexer] Allow LLLexer to be used as an API	2021-04-26 12:43:14 -04:00