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Add some more debug output.
author
Dan Gohman
<gohman@apple.com>
Tue, 18 May 2010 22:41:32 +0000
(22:41 +0000)
committer
Dan Gohman
<gohman@apple.com>
Tue, 18 May 2010 22:41:32 +0000
(22:41 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104080
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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diff --git
a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index eac1a023bb62e64a888ba5e5bda5934945d20a5d..249b2ac68cf281d864c23377e16bc5dcb6333ecb 100644
(file)
--- a/
lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/
lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@
-2695,6
+2695,7
@@
void LSRInstance::NarrowSearchSpaceUsingHeuristics() {
// Ok, we have too many of formulae on our hands to conveniently handle.
// Use a rough heuristic to thin out the list.
+ DEBUG(dbgs() << "The search space is too complex.\n");
// Pick the register which is used by the most LSRUses, which is likely
// to be a good reuse register candidate.