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Rather than having special rules like "intrinsics cannot

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throw exceptions", just mark intrinsics with the nounwind
attribute.  Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2007-12-03 20:06:50 +00:00
parent 4cf4b69330
commit a3355ffb3d
22 changed files with 136 additions and 146 deletions
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2
lib/Transforms/IPO/DeadArgumentElimination.cpp
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@ -284,7 +284,7 @@ void DAE::SurveyFunction(Function &F) {
Liveness RetValLiveness = F.getReturnType() == Type::VoidTy ? Live : Dead;
if (!F.hasInternalLinkage() &&
(!ShouldHackArguments() || F.getIntrinsicID()))
(!ShouldHackArguments() || F.isIntrinsic()))
FunctionIntrinsicallyLive = true;
else
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {