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Silencing an MSVC warning about a switch statement with no cases; NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228294 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Aaron Ballman 2015-02-05 13:40:04 +00:00
parent 04715c9915
commit ac7a1d5994
1 changed files with 5 additions and 8 deletions
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3
lib/Transforms/Scalar/PlaceSafepoints.cpp
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@ -700,15 +700,12 @@ INITIALIZE_PASS_END(PlaceSafepoints, "place-safepoints", "Place Safepoints",
static bool isGCLeafFunction(const CallSite &CS) {
Instruction *inst = CS.getInstruction();
if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(inst)) {
switch (II->getIntrinsicID()) {
default:
// Most LLVM intrinsics are things which can never take a safepoint.
// As a result, we don't need to have the stack parsable at the
// callsite. This is a highly useful optimization since intrinsic
// calls are fairly prevelent, particularly in debug builds.
return true;
}
}
// If this function is marked explicitly as a leaf call, we don't need to
// place a safepoint of it. In fact, for correctness we *can't* in many