[Mlir-commits] [mlir] 9e29658 - Fix unused variable warnings

[Kazu Hirata]

Author: Kazu Hirata
Date: 2022-08-20T00:12:35-07:00
New Revision: 9e296584cebbce97cdbb6759ea8ee7ea6faababc

URL: https://github.com/llvm/llvm-project/commit/9e296584cebbce97cdbb6759ea8ee7ea6faababc
DIFF: https://github.com/llvm/llvm-project/commit/9e296584cebbce97cdbb6759ea8ee7ea6faababc.diff

LOG: Fix unused variable warnings

These warnings came up with gcc-11.3.0.

Added: 
    

Modified: 
    lld/MachO/Driver.cpp
    lld/MachO/Writer.cpp
    mlir/include/mlir/IR/PatternMatch.h
    mlir/lib/Analysis/DataFlow/SparseAnalysis.cpp

Removed: 
    


################################################################################
diff  --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
index 931f40182c55d..c2473c77c9db8 100644
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -1151,7 +1151,7 @@ static void addSynthenticMethnames() {
   llvm::raw_string_ostream os(data);
   const int prefixLength = ObjCStubsSection::symbolPrefix.size();
   for (Symbol *sym : symtab->getSymbols())
-    if (const auto *undefined = dyn_cast<Undefined>(sym))
+    if (isa<Undefined>(sym))
       if (sym->getName().startswith(ObjCStubsSection::symbolPrefix))
         os << sym->getName().drop_front(prefixLength) << '\0';
 

diff  --git a/lld/MachO/Writer.cpp b/lld/MachO/Writer.cpp
index 4addaab815998..e23e592a1d984 100644
--- a/lld/MachO/Writer.cpp
+++ b/lld/MachO/Writer.cpp
@@ -695,7 +695,7 @@ void Writer::scanSymbols() {
         continue;
       dysym->getFile()->refState =
           std::max(dysym->getFile()->refState, dysym->getRefState());
-    } else if (const auto *undefined = dyn_cast<Undefined>(sym)) {
+    } else if (isa<Undefined>(sym)) {
       if (sym->getName().startswith(ObjCStubsSection::symbolPrefix))
         in.objcStubs->addEntry(sym);
     }

diff  --git a/mlir/include/mlir/IR/PatternMatch.h b/mlir/include/mlir/IR/PatternMatch.h
index 7b0a3be77308d..84f2e2a94c8c5 100644
--- a/mlir/include/mlir/IR/PatternMatch.h
+++ b/mlir/include/mlir/IR/PatternMatch.h
@@ -1097,6 +1097,7 @@ void assertArgs(PatternRewriter &rewriter, ArrayRef<PDLValue> values,
   auto errorFn = [&](const Twine &msg) -> LogicalResult {
     llvm::report_fatal_error(msg);
   };
+  (void)errorFn;
   (assert(succeeded(
        ProcessPDLValue<typename FnTraitsT::template arg_t<I + 1>>::verifyAsArg(
            errorFn, values[I], I))),

diff  --git a/mlir/lib/Analysis/DataFlow/SparseAnalysis.cpp b/mlir/lib/Analysis/DataFlow/SparseAnalysis.cpp
index ca82e32a83df9..f85d8dfb279c6 100644
--- a/mlir/lib/Analysis/DataFlow/SparseAnalysis.cpp
+++ b/mlir/lib/Analysis/DataFlow/SparseAnalysis.cpp
@@ -240,7 +240,7 @@ void AbstractSparseDataFlowAnalysis::visitRegionSuccessors(
 
     unsigned firstIndex = 0;
     if (inputs.size() != lattices.size()) {
-      if (auto *op = point.dyn_cast<Operation *>()) {
+      if (point.dyn_cast<Operation *>()) {
         if (!inputs.empty())
           firstIndex = inputs.front().cast<OpResult>().getResultNumber();
         visitNonControlFlowArgumentsImpl(