6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-15 19:24:33 +00:00
Code Issues Projects Releases Wiki Activity

capture implicit uses and defs in CodeGenInstruction

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98879 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-18 21:42:03 +00:00
parent ef988984d7
commit f506b6b471
2 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
utils/TableGen/CodeGenInstruction.cpp
View File

@@ -123,6 +123,8 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
hasExtraDefRegAllocReq = R->getValueAsBit("hasExtraDefRegAllocReq");
hasOptionalDef = false;
isVariadic = false;
ImplicitDefs = R->getValueAsListOfDefs("Defs");
ImplicitUses = R->getValueAsListOfDefs("Uses");
if (neverHasSideEffects + hasSideEffects > 1)
throw R->getName() + ": multiple conflicting side-effect flags set!";

4
utils/TableGen/CodeGenInstruction.h
View File

@@ -114,6 +114,10 @@ namespace llvm {
/// type (which is a record).
std::vector<OperandInfo> OperandList;
/// ImplicitDefs/ImplicitUses - These are lists of registers that are
/// implicitly defined and used by the instruction.
std::vector<Record*> ImplicitDefs, ImplicitUses;
// Various boolean values we track for the instruction.
bool isReturn;
bool isBranch;