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Remove assert(false) in favor of asserting the if conditional it is contained within.

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Also adjust the code to avoid 3 redundant map lookups.

llvm-svn: 251327
This commit is contained in:
David Blaikie 2015-10-26 18:41:13 +00:00
parent b9c3f7822b
commit a667b6ee3c
1 changed files with 5 additions and 8 deletions
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13
lib/CodeGen/Analysis.cpp
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@ -649,18 +649,15 @@ bool llvm::canBeOmittedFromSymbolTable(const GlobalValue *GV) {
static void collectFuncletMembers(
DenseMap<const MachineBasicBlock *, int> &FuncletMembership, int Funclet,
const MachineBasicBlock *MBB) {
// Add this MBB to our funclet.
auto P = FuncletMembership.insert(std::make_pair(MBB, Funclet));
// Don't revisit blocks.
if (FuncletMembership.count(MBB) > 0) {
if (FuncletMembership[MBB] != Funclet) {
assert(false && "MBB is part of two funclets!");
report_fatal_error("MBB is part of two funclets!");
}
if (!P.second) {
assert(P.first->second == Funclet && "MBB is part of two funclets!");
return;
}
// Add this MBB to our funclet.
FuncletMembership[MBB] = Funclet;
bool IsReturn = false;
int NumTerminators = 0;
for (const MachineInstr &MI : MBB->terminators()) {