6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-21 18:24:23 +00:00
Code Issues Projects Releases Wiki Activity

Add an instruction deprecation feature to TableGen.

Browse Source 
The 'Deprecated' class allows you to specify a SubtargetFeature that the
instruction is deprecated on.

The 'ComplexDeprecationPredicate' class allows you to define a custom
predicate that is called to check for deprecation.
For example:
  ComplexDeprecationPredicate<"MCR">

would mean you would have to define the following function:
  bool getMCRDeprecationInfo(MCInst &MI, MCSubtargetInfo &STI,
                             std::string &Info)

Which returns 'false' for not deprecated, and 'true' for deprecated
and store the warning message in 'Info'.

The MCTargetAsmParser constructor was chaned to take an extra argument of
the MCInstrInfo class, so out-of-tree targets will need to be changed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190598 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Joey Gouly
2013-09-12 10:28:05 +00:00
parent f9d2d2dc89
commit 715d98d657
20 changed files with 144 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/llvm/CodeGen/AsmPrinter.h
View File

@ -41,6 +41,7 @@ namespace llvm {
class MCAsmInfo;
class MCCFIInstruction;
class MCContext;
class MCInstrInfo;
class MCSection;
class MCStreamer;
class MCSymbol;
@ -64,6 +65,7 @@ namespace llvm {
///
const MCAsmInfo *MAI;
const MCInstrInfo *MII;
/// OutContext - This is the context for the output file that we are
/// streaming. This owns all of the global MC-related objects for the
/// generated translation unit.