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Disable trunc-store simplification on vectors.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem 2011-06-14 07:18:26 +00:00
parent 5b93d3ca6f
commit c7cb7ed013
1 changed files with 1 additions and 1 deletions
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lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -6425,7 +6425,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
// FIXME: is there such a thing as a truncating indexed store?
if (ST->isTruncatingStore() && ST->isUnindexed() &&
Value.getValueType().isInteger()) {
Value.getValueType().isInteger() && !Value.getValueType().isVector()) {
// See if we can simplify the input to this truncstore with knowledge that
// only the low bits are being used. For example:
// "truncstore (or (shl x, 8), y), i8" -> "truncstore y, i8"