SelectionDAG: If llvm.donothing has a landingpad, we should clear
CurrentCallSite to avoid an assertion failure:
assert(MMI.getCurrentCallSite() == 0 && "Overlapping call sites!");
rdar://problem/13228754
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176154 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index b8ab2a9..e3c2c2e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1872,6 +1872,13 @@
visitInlineAsm(&I);
else if (Fn && Fn->isIntrinsic()) {
assert(Fn->getIntrinsicID() == Intrinsic::donothing);
+ // If donothing has a landingpad, we should clear CurrentCallSite.
+ if (LandingPad) {
+ MachineModuleInfo &MMI = DAG.getMachineFunction().getMMI();
+ unsigned CallSiteIndex = MMI.getCurrentCallSite();
+ if (CallSiteIndex)
+ MMI.setCurrentCallSite(0);
+ }
// Ignore invokes to @llvm.donothing: jump directly to the next BB.
} else
LowerCallTo(&I, getValue(Callee), false, LandingPad);