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Second installment of "BasicBlock operands to the back"

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changes.

For InvokeInst now all arguments begin at op_begin().
The Callee, Cont and Fail are now faster to get by
access relative to op_end().

This patch introduces some temporary uglyness in CallSite.
Next I'll bring CallInst up to a similar scheme and then
the uglyness will magically vanish.

This patch also exposes all the reliance of the libraries
on InvokeInst's operand ordering. I am thinking of taking
care of that too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66920 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2009-03-13 18:27:29 +00:00
parent 6dc3a8fd40
commit b14cda3c0d
12 changed files with 61 additions and 35 deletions
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4
lib/Transforms/Utils/LowerInvoke.cpp
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@ -221,7 +221,7 @@ bool LowerInvoke::insertCheapEHSupport(Function &F) {
bool Changed = false;
for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB)
if (InvokeInst *II = dyn_cast<InvokeInst>(BB->getTerminator())) {
std::vector<Value*> CallArgs(II->op_begin()+3, II->op_end());
std::vector<Value*> CallArgs(II->op_begin(), II->op_end() - 3);
// Insert a normal call instruction...
CallInst *NewCall = CallInst::Create(II->getCalledValue(),
CallArgs.begin(), CallArgs.end(), "",II);
@ -290,7 +290,7 @@ void LowerInvoke::rewriteExpensiveInvoke(InvokeInst *II, unsigned InvokeNo,
CatchSwitch->addCase(InvokeNoC, II->getUnwindDest());
// Insert a normal call instruction.
std::vector<Value*> CallArgs(II->op_begin()+3, II->op_end());
std::vector<Value*> CallArgs(II->op_begin(), II->op_end() - 3);
CallInst *NewCall = CallInst::Create(II->getCalledValue(),
CallArgs.begin(), CallArgs.end(), "",
II);