[llvm-bugs] [Bug 46818] New: [Reduce] basic block reduction assumes callinst

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=46818

            Bug ID: 46818
           Summary: [Reduce] basic block reduction assumes callinst
           Product: tools
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: llvm-reduce
          Assignee: unassignedbugs at nondot.org
          Reporter: lebedev.ri at gmail.com
                CC: dblaikie at gmail.com, llvm-bugs at lists.llvm.org

Just so i don't forget later on,

diff --git a/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
b/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
index 002d81a6748..e049c6f405c 100644
--- a/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
+++ b/llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp
@@ -41,6 +41,7 @@ static void replaceBranchTerminator(BasicBlock &BB,
   if (auto IndBI = dyn_cast<IndirectBrInst>(Term))
     Address = IndBI->getAddress();

+  Term->replaceAllUsesWith(UndefValue::get(Term->getType()));
   Term->eraseFromParent();

   if (ChunkSucessors.empty()) {

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