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| author | Dan Gohman <gohman@apple.com> | 2009-06-24 00:33:16 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-06-24 00:33:16 +0000 |
| commit | b6b9e9e159928b79ec0f132ee7f5faf876887ee9 (patch) | |
| tree | 4f8c6ce7f05e22e5beb40e3e11624d51833ecb85 /lib/Analysis | |
| parent | f05118e304be294d811252fea3b4c4ef0f46406d (diff) | |
| download | external_llvm-b6b9e9e159928b79ec0f132ee7f5faf876887ee9.zip external_llvm-b6b9e9e159928b79ec0f132ee7f5faf876887ee9.tar.gz external_llvm-b6b9e9e159928b79ec0f132ee7f5faf876887ee9.tar.bz2 | |
Include the maximum trip count expression in ScalarEvolution's print output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74035 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 6e5dfbb..60a6e91 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -4340,6 +4340,15 @@ static void PrintLoopInfo(raw_ostream &OS, ScalarEvolution *SE, } OS << "\n"; + OS << "Loop " << L->getHeader()->getName() << ": "; + + if (!isa<SCEVCouldNotCompute>(SE->getMaxBackedgeTakenCount(L))) { + OS << "max backedge-taken count is " << *SE->getMaxBackedgeTakenCount(L); + } else { + OS << "Unpredictable max backedge-taken count. "; + } + + OS << "\n"; } void ScalarEvolution::print(raw_ostream &OS, const Module* ) const { |