[PATCH] D100797: Reset NextFnNum in MachineModuleInfo::initialize

[Daniel Sanders via Phabricator via llvm-commits]

dsanders created this revision.
Herald added a subscriber: hiraditya.
dsanders requested review of this revision.
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In an env that reuses compiler instances for multiple compilations, this
omission results in non-deterministic assembly output (names of the
auto-generated labels) if the order or full set of Modules compiled
varies.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100797

Files:
  llvm/lib/CodeGen/MachineModuleInfo.cpp


Index: llvm/lib/CodeGen/MachineModuleInfo.cpp
===================================================================
--- llvm/lib/CodeGen/MachineModuleInfo.cpp
+++ llvm/lib/CodeGen/MachineModuleInfo.cpp
@@ -196,6 +196,7 @@
 void MachineModuleInfo::initialize() {
   ObjFileMMI = nullptr;
   CurCallSite = 0;
+  NextFnNum = 0;
   UsesMSVCFloatingPoint = UsesMorestackAddr = false;
   HasSplitStack = HasNosplitStack = false;
   AddrLabelSymbols = nullptr;


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