diff options
| author | Duncan Sands <baldrick@free.fr> | 2009-02-04 11:17:06 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2009-02-04 11:17:06 +0000 |
| commit | 09750273a4cd49630b64ec03b2e2f207a4fe8308 (patch) | |
| tree | cd74cc530928d1ce4f2c09f0d0dbce0fa33f05f9 | |
| parent | a06aef6ec55552640e45ffada96e43cae96cfc01 (diff) | |
Allow the inverse transform x86_fp80 -> i80 (also
fires during the Ada build).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63731 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/VMCore/ConstantFold.cpp | 13 | ||||
| -rw-r--r-- | test/Transforms/InstCombine/2009-02-04-FPBitcast.ll | 5 |
2 files changed, 9 insertions, 9 deletions
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp index 5f7cbcd0b6..ff4d897e54 100644 --- a/lib/VMCore/ConstantFold.cpp +++ b/lib/VMCore/ConstantFold.cpp @@ -161,17 +161,12 @@ static Constant *FoldBitCast(Constant *V, const Type *DestTy) { // Otherwise, can't fold this (vector?) return 0; } - + // Handle ConstantFP input. - if (const ConstantFP *FP = dyn_cast<ConstantFP>(V)) { + if (const ConstantFP *FP = dyn_cast<ConstantFP>(V)) // FP -> Integral. - if (DestTy == Type::Int32Ty) { - return ConstantInt::get(FP->getValueAPF().bitcastToAPInt()); - } else { - assert(DestTy == Type::Int64Ty && "only support f32/f64 for now!"); - return ConstantInt::get(FP->getValueAPF().bitcastToAPInt()); - } - } + return ConstantInt::get(FP->getValueAPF().bitcastToAPInt()); + return 0; } diff --git a/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll b/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll index 4d7b70a115..b08c962250 100644 --- a/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll +++ b/test/Transforms/InstCombine/2009-02-04-FPBitcast.ll @@ -5,3 +5,8 @@ define x86_fp80 @cast() { %tmp = bitcast i80 0 to x86_fp80 ; <x86_fp80> [#uses=1] ret x86_fp80 %tmp } + +define i80 @invcast() { + %tmp = bitcast x86_fp80 0xK00000000000000000000 to i80 ; <i80> [#uses=1] + ret i80 %tmp +} |