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LoopVectorize: convert TinyTripCountVectorThreshold constant

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to a command line switch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173837 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pekka Jaaskelainen
2013-01-29 21:42:08 +00:00
parent 485da64848
commit d855049576
2 changed files with 31 additions and 1 deletions
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lib/Transforms/Vectorize/LoopVectorize.cpp
+3 -1
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@@ -101,7 +101,9 @@ EnableIfConversion("enable-if-conversion", cl::init(true), cl::Hidden,
cl::desc("Enable if-conversion during vectorization."));
/// We don't vectorize loops with a known constant trip count below this number.
static const unsigned TinyTripCountVectorThreshold = 16;
static cl::opt<unsigned>
TinyTripCountVectorThreshold("vectorizer-min-trip-count", cl::init(16), cl::Hidden,
cl::desc("The minimum trip count in the loops to vectorize."));
/// We don't unroll loops with a known constant trip count below this number.
static const unsigned TinyTripCountUnrollThreshold = 128;