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Lower the unrolling theshold to 150. Empirical tests indicate that this is a sweet spot in the performance per

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code size increase curve.

llvm-svn: 113595
This commit is contained in:
Owen Anderson 2010-09-10 17:57:00 +00:00
parent 545bd92baf
commit c0664eb99a
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/LoopUnrollPass.cpp
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@ -27,7 +27,7 @@
using namespace llvm;
static cl::opt<unsigned>
UnrollThreshold("unroll-threshold", cl::init(200), cl::Hidden,
UnrollThreshold("unroll-threshold", cl::init(150), cl::Hidden,
cl::desc("The cut-off point for automatic loop unrolling"));
static cl::opt<unsigned>