[TI removal] Make `getTerminator()` return a generic `Instruction`.

This removes the primary remaining API producing `TerminatorInst` which
will reduce the rate at which code is introduced trying to use it and
generally make it much easier to remove the remaining APIs across the
codebase.

Also clean up some of the stragglers that the previous mechanical update
of variables missed.

Users of LLVM and out-of-tree code generally will need to update any
explicit variable types to handle this. Replacing `TerminatorInst` with
`Instruction` (or `auto`) almost always works. Most of these edits were
made in prior commits using the perl one-liner:
```
perl -i -ple 's/TerminatorInst(\b.* = .*getTerminator\(\))/Instruction\1/g'
```

This also my break some rare use cases where people overload for both
`Instruction` and `TerminatorInst`, but these should be easily fixed by
removing the `TerminatorInst` overload.

llvm-svn: 344504

1 files changed, 1 insertions, 1 deletions

diff --git a/polly/include/polly/Support/ScopHelper.h b/polly/include/polly/Support/ScopHelper.h
index b7455e786b39..4fec7710d01f 100644
--- a/polly/include/polly/Support/ScopHelper.h
+++ b/polly/include/polly/Support/ScopHelper.h
@@ -382,7 +382,7 @@ bool isErrorBlock(llvm::BasicBlock &BB, const llvm::Region &R,
 /// @param TI The terminator to get the condition from.
 ///
 /// @return The condition of @p TI and nullptr if none could be extracted.
-llvm::Value *getConditionFromTerminator(llvm::TerminatorInst *TI);
+llvm::Value *getConditionFromTerminator(llvm::Instruction *TI);
 
 /// Check if @p LInst can be hoisted in @p R.
 ///