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author | Nick Lewycky <nicholas@mxc.ca> | 2008-01-30 07:45:37 +0000 |
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committer | Nick Lewycky <nicholas@mxc.ca> | 2008-01-30 07:45:37 +0000 |
commit | d29ce1783cabce806d94d20ca27920e9c7093c62 (patch) | |
tree | f6c9acba94ea89884faef3613dd8ab04e64f0bab | |
parent | e504d76a1529932ace4335ee9146a068be804956 (diff) | |
download | external_llvm-d29ce1783cabce806d94d20ca27920e9c7093c62.zip external_llvm-d29ce1783cabce806d94d20ca27920e9c7093c62.tar.gz external_llvm-d29ce1783cabce806d94d20ca27920e9c7093c62.tar.bz2 |
Don't DCE FreeInst's. We were using those! Patch from Owen Anderson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46553 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Transforms/Scalar/DeadStoreElimination.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp index 7e2588a..ba0d1bd 100644 --- a/lib/Transforms/Scalar/DeadStoreElimination.cpp +++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp @@ -420,7 +420,7 @@ bool DSE::handleEndBlock(BasicBlock& BB, } else { // For any non-memory-affecting non-terminators, DCE them as we reach them Instruction *CI = BBI; - if (!CI->isTerminator() && CI->getNumUses() == 0) { + if (!CI->isTerminator() && CI->getNumUses() == 0 && !isa<FreeInst>(CI)) { // DCE instructions only used to calculate that load for (Instruction::op_iterator OI = CI->op_begin(), OE = CI->op_end(); |