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This is prep. work for the implementation of optimizeCompare. Many PPC instructions have 'record' forms (in almost all cases, this means that the RC bit is set) that cause the result of the instruction to be compared with zero, and the result of that comparison saved in a predefined condition register. In order to add the record forms of the instructions without too much copy-and-paste, the relevant functions have been refactored into multiclasses which define both the record and normal forms. Also, two TableGen-generated mapping functions have been added which allow querying the instruction code for the record form given the normal form (and vice versa). No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179356 91177308-0d34-0410-b5e6-96231b3b80d8 |
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Analysis | ||
Archive | ||
AsmParser | ||
Bitcode | ||
CodeGen | ||
DebugInfo | ||
ExecutionEngine | ||
IR | ||
IRReader | ||
Linker | ||
MC | ||
Object | ||
Option | ||
Support | ||
TableGen | ||
Target | ||
Transforms | ||
CMakeLists.txt | ||
LLVMBuild.txt | ||
Makefile |