diff options
| author | Chris Lattner <sabre@nondot.org> | 2011-02-06 21:44:57 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-02-06 21:44:57 +0000 |
| commit | 35bda8914c0d1c02a6f90f42e7810c83150737e1 (patch) | |
| tree | b210ccd009a7ac5331c76c6393b5b45d141d12d0 /lib/VMCore/AsmWriter.cpp | |
| parent | bd75021465e7f8c81785e692cfd3ce559764e46f (diff) | |
enhance vmcore to know that udiv's can be exact, and add a trivial
instcombine xform to exercise this.
Nothing forms exact udivs yet though. This is progress on PR8862
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124992 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/AsmWriter.cpp')
| -rw-r--r-- | lib/VMCore/AsmWriter.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/VMCore/AsmWriter.cpp b/lib/VMCore/AsmWriter.cpp index 1a11d9c798..5b56cb572c 100644 --- a/lib/VMCore/AsmWriter.cpp +++ b/lib/VMCore/AsmWriter.cpp @@ -831,7 +831,8 @@ static void WriteOptimizationInfo(raw_ostream &Out, const User *U) { Out << " nuw"; if (OBO->hasNoSignedWrap()) Out << " nsw"; - } else if (const SDivOperator *Div = dyn_cast<SDivOperator>(U)) { + } else if (const PossiblyExactOperator *Div = + dyn_cast<PossiblyExactOperator>(U)) { if (Div->isExact()) Out << " exact"; } else if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) { |