eliminate use of Instruction::getPrev(). Patch by Gabor Greif in 2005.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36198 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-17 17:38:28 +00:00
parent 4d8c16f15a
commit b8e237bb86

View File

@ -866,16 +866,19 @@ void Interpreter::visitCallSite(CallSite CS) {
// If it is an unknown intrinsic function, use the intrinsic lowering
// class to transform it into hopefully tasty LLVM code.
//
Instruction *Prev = CS.getInstruction()->getPrev();
BasicBlock::iterator me(CS.getInstruction());
BasicBlock *Parent = CS.getInstruction()->getParent();
bool atBegin(Parent->begin() == me);
if (!atBegin)
--me;
IL->LowerIntrinsicCall(cast<CallInst>(CS.getInstruction()));
// Restore the CurInst pointer to the first instruction newly inserted, if
// any.
if (!Prev) {
if (atBegin) {
SF.CurInst = Parent->begin();
} else {
SF.CurInst = Prev;
SF.CurInst = me;
++SF.CurInst;
}
return;