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Initialize SIInsertWaits::ExpInstrTypesSeen in the pass constructor.
This value may be used uninitialized in SIInsertWaits::insertWait. Found with MemorySanitizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187869 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -98,7 +98,8 @@ public:
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SIInsertWaits(TargetMachine &tm) :
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MachineFunctionPass(ID),
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TII(0),
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TRI(0) { }
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TRI(0),
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ExpInstrTypesSeen(0) { }
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virtual bool runOnMachineFunction(MachineFunction &MF);
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