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author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-06-24 22:23:21 +0000 |
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committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-06-24 22:23:21 +0000 |
commit | 817ac8f40a077ff20b98164c569c4063e103d215 (patch) | |
tree | 945ea61df79068af1065a33ebe7b42f0fe7828ce /llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | |
parent | fcda6f8c6bb828c48e6d406a9bf2bc1d55bf9037 (diff) | |
download | bcm5719-llvm-817ac8f40a077ff20b98164c569c4063e103d215.tar.gz bcm5719-llvm-817ac8f40a077ff20b98164c569c4063e103d215.zip |
Add simplify_type<const WeakVH>; simplify IndVarSimplify
r240214 fixed some UB in IndVarSimplify, and it needed a temporary
`WeakVH` to do it. Add `simplify_type<const WeakVH>` so that this
temporary isn't necessary.
llvm-svn: 240599
Diffstat (limited to 'llvm/lib/Transforms/Scalar/IndVarSimplify.cpp')
-rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index 5c9cf1a4393..6f0375487af 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -2013,11 +2013,10 @@ 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()) { - Value *V = static_cast<Value *>(DeadInsts.pop_back_val()); - if (Instruction *Inst = dyn_cast_or_null<Instruction>(V)) + while (!DeadInsts.empty()) + if (Instruction *Inst = + dyn_cast_or_null<Instruction>(DeadInsts.pop_back_val())) RecursivelyDeleteTriviallyDeadInstructions(Inst, TLI); - } // The Rewriter may not be used from this point on. |