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authorDale Johannesen <dalej@apple.com>2007-09-25 23:07:07 +0000
committerDale Johannesen <dalej@apple.com>2007-09-25 23:07:07 +0000
commit0edc47ad7b3fb5ad5f9dcd4139f3074dd11ff457 (patch)
treed70f31f8a5ced87d8222fbce79c437ce0e1e5f20 /lib/VMCore/ConstantFold.cpp
parent7086ce72684c302d9898ce0324f691a6a0787669 (diff)
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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.cpp2
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index d8b8566..7154afb 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);
}