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set the cost of tiny trees to INT_MAX in SLP vectorizer to disable vectorization...
author
Yi Jiang
<yjiang@apple.com>
Tue, 24 Sep 2013 17:26:43 +0000
(17:26 +0000)
committer
Yi Jiang
<yjiang@apple.com>
Tue, 24 Sep 2013 17:26:43 +0000
(17:26 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191314
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/Vectorize/SLPVectorizer.cpp
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diff --git
a/lib/Transforms/Vectorize/SLPVectorizer.cpp
b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index b0c4894d358d33b5179fc8e59184b9f4463e4ce9..b8e57de53be1d6dd177732b7b141e3dbf4b6ed47 100644
(file)
--- a/
lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/
lib/Transforms/Vectorize/SLPVectorizer.cpp
@@
-947,7
+947,7
@@
int BoUpSLP::getTreeCost() {
if (!VectorizableTree.size()) {
assert(!ExternalUses.size() && "We should not have any external users");
}
- return
0
;
+ return
INT_MAX
;
}
unsigned BundleWidth = VectorizableTree[0].Scalars.size();