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authorNick Lewycky <nicholas@mxc.ca>2008-01-30 07:45:37 +0000
committerNick Lewycky <nicholas@mxc.ca>2008-01-30 07:45:37 +0000
commitd29ce1783cabce806d94d20ca27920e9c7093c62 (patch)
treef6c9acba94ea89884faef3613dd8ab04e64f0bab /lib/Transforms/Scalar/DeadStoreElimination.cpp
parente504d76a1529932ace4335ee9146a068be804956 (diff)
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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
Diffstat (limited to 'lib/Transforms/Scalar/DeadStoreElimination.cpp')
-rw-r--r--lib/Transforms/Scalar/DeadStoreElimination.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp
index 7e2588ab77..ba0d1bdf2b 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();