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| author | Duncan Sands <baldrick@free.fr> | 2009-02-04 10:17:14 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2009-02-04 10:17:14 +0000 |
| commit | a06aef6ec55552640e45ffada96e43cae96cfc01 (patch) | |
| tree | 6aecaeb4008b2c805ff1d92aeec1a4c77a4470c6 /lib/VMCore | |
| parent | 5caa883afc2c768c293757d4ca30d85b9094e876 (diff) | |
| download | llvm-a06aef6ec55552640e45ffada96e43cae96cfc01.tar.gz llvm-a06aef6ec55552640e45ffada96e43cae96cfc01.tar.bz2 llvm-a06aef6ec55552640e45ffada96e43cae96cfc01.tar.xz | |
Fix PR3468: a crash when constant folding a bitcast of
i80 to x86 long double (this was presumably generated
by sroa).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63730 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore')
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 5c1578f74b..5f7cbcd0b6 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -153,12 +153,11 @@ static Constant *FoldBitCast(Constant *V, const Type *DestTy) { // Integral -> Integral. This is a no-op because the bit widths must // be the same. Consequently, we just fold to V. return V; - - if (DestTy->isFloatingPoint()) { - assert((DestTy == Type::DoubleTy || DestTy == Type::FloatTy) && - "Unknown FP type!"); - return ConstantFP::get(APFloat(CI->getValue())); - } + + if (DestTy->isFloatingPoint()) + return ConstantFP::get(APFloat(CI->getValue(), + DestTy != Type::PPC_FP128Ty)); + // Otherwise, can't fold this (vector?) return 0; } |