[llvm-commits] [llvm] r149481 - in /llvm/trunk: include/llvm/ include/llvm/Analysis/ lib/Analysis/ lib/Bitcode/Writer/ lib/CodeGen/SelectionDAG/ lib/ExecutionEngine/Interpreter/ lib/Target/CBackend/ lib/Target/CppBackend/ lib/Transforms/IPO/ lib/

[Jay Foad]

On 1 February 2012 07:49, Stepan Dyatkovskiy <stpworld at narod.ru> wrote:
> 4. Added resolveSuccessorIndex and resolveCaseIndex. The main purpose of these methods is to see how case successors are really mapped in TerminatorInst.
> 4.1 "resolveSuccessorIndex" was created if you need to level down from SwitchInst to TerminatorInst. It returns TerminatorInst's successor index for given case successor.
> 4.2 "resolveCaseIndex" converts low level successors index to case index that curresponds to the given successor.

PHINode has similar methods with a completely different naming
convention, getOperandNumForIncomingValue and
getIncomingValueNumForOperand. (Note that they used to do something
interesting; they became trivial in r133435 when PHINodes' operand
layout was changed.)

Jay.