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| author | Dale Johannesen <dalej@apple.com> | 2007-09-25 23:07:07 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2007-09-25 23:07:07 +0000 |
| commit | f53d83e5f075d5bfe38169a406617c06ef844bef (patch) | |
| tree | d70f31f8a5ced87d8222fbce79c437ce0e1e5f20 /lib/VMCore/ConstantFold.cpp | |
| parent | 62a4eae84f410bc5f536e6cea2f5d8d17653dca4 (diff) | |
| download | external_llvm-f53d83e5f075d5bfe38169a406617c06ef844bef.tar.gz external_llvm-f53d83e5f075d5bfe38169a406617c06ef844bef.tar.bz2 external_llvm-f53d83e5f075d5bfe38169a406617c06ef844bef.zip | |
Make APFloat->int conversions deterministic even in
cases with undefined behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42328 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/ConstantFold.cpp')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index d8b8566193..7154afb183 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -197,8 +197,6 @@ Constant *llvm::ConstantFoldCastInstruction(unsigned opc, const Constant *V, APFloat::opStatus status = V.convertToInteger(x, DestBitWidth, opc==Instruction::FPToSI, APFloat::rmTowardZero); - if (status!=APFloat::opOK && status!=APFloat::opInexact) - return 0; // give up APInt Val(DestBitWidth, 2, x); return ConstantInt::get(Val); } |