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-rw-r--r--lib/Transforms/Scalar/IndVarSimplify.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 359a616c069d..e931382ea98f 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -136,7 +136,7 @@ namespace {
void SinkUnusedInvariants(Loop *L);
};
-}
+} // namespace
char IndVarSimplify::ID = 0;
INITIALIZE_PASS_BEGIN(IndVarSimplify, "indvars",
@@ -494,7 +494,7 @@ struct RewritePhi {
RewritePhi(PHINode *P, unsigned I, Value *V, bool H, bool S)
: PN(P), Ith(I), Val(V), HighCost(H), SafePhi(S) {}
};
-}
+} // namespace
//===----------------------------------------------------------------------===//
// RewriteLoopExitValues - Optimize IV users outside the loop.
@@ -758,7 +758,7 @@ namespace {
WideIVInfo() : NarrowIV(nullptr), WidestNativeType(nullptr),
IsSigned(false) {}
};
-}
+} // namespace
/// visitCast - Update information about the induction variable that is
/// extended by this sign or zero extend operation. This is used to determine
@@ -1321,7 +1321,7 @@ namespace {
// Implement the interface used by simplifyUsersOfIV.
void visitCast(CastInst *Cast) override { visitIVCast(Cast, WI, SE, TTI); }
};
-}
+} // namespace
/// SimplifyAndExtend - Iteratively perform simplification on a worklist of IV
/// users. Each successive simplification may push more users which may
@@ -2013,10 +2013,11 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
// Now that we're done iterating through lists, clean up any instructions
// which are now dead.
- while (!DeadInsts.empty())
- if (Instruction *Inst =
- dyn_cast_or_null<Instruction>(&*DeadInsts.pop_back_val()))
+ while (!DeadInsts.empty()) {
+ Value *V = static_cast<Value *>(DeadInsts.pop_back_val());
+ if (Instruction *Inst = dyn_cast_or_null<Instruction>(V))
RecursivelyDeleteTriviallyDeadInstructions(Inst, TLI);
+ }
// The Rewriter may not be used from this point on.