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| author | David Greene <greened@obbligato.org> | 2010-01-20 20:13:31 +0000 |
|---|---|---|
| committer | David Greene <greened@obbligato.org> | 2010-01-20 20:13:31 +0000 |
| commit | cf495bc2e505e52ad018da55bed11c7b8bc97db5 (patch) | |
| tree | 97821c12347ff9b2b4c0d15c562fb14eeac1c289 /lib/Target | |
| parent | 1bc76d48d476446f226f06f0aced7efb268f2536 (diff) | |
| download | llvm-cf495bc2e505e52ad018da55bed11c7b8bc97db5.tar.gz llvm-cf495bc2e505e52ad018da55bed11c7b8bc97db5.tar.bz2 llvm-cf495bc2e505e52ad018da55bed11c7b8bc97db5.tar.xz | |
When XDEBUG is enabled, check for SelectionDAG cycles at some key
points. This will help us find future problems like the one
described in PR6019.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94019 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86ISelDAGToDAG.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp index 13f4030e12..01cad71977 100644 --- a/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -598,6 +598,7 @@ void X86DAGToDAGISel::PreprocessForRMW() { if (RModW) { MoveBelowTokenFactor(CurDAG, Load, SDValue(I, 0), Chain); ++NumLoadMoved; + checkForCycles(I); } } } |