diff options
| author | Dale Johannesen <dalej@apple.com> | 2008-10-09 23:00:39 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2008-10-09 23:00:39 +0000 |
| commit | 23a98551ab65eeb8fe5019df8b7db4891582a4bd (patch) | |
| tree | 90d6731fd446c04df49383b8a23da0461337ba09 /lib/CodeGen/SelectionDAG/FastISel.cpp | |
| parent | 7111b02c734c992b8c97d9918118768026dad79e (diff) | |
Add a "loses information" return value to APFloat::convert
and APFloat::convertToInteger. Restore return value to
IEEE754. Adjust all users accordingly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index f9cfeb1e97..77e9bda46f 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -93,8 +93,10 @@ unsigned FastISel::getRegForValue(Value *V) { uint64_t x[2]; uint32_t IntBitWidth = IntVT.getSizeInBits(); - if (!Flt.convertToInteger(x, IntBitWidth, /*isSigned=*/true, - APFloat::rmTowardZero) != APFloat::opOK) { + bool isExact; + (void) Flt.convertToInteger(x, IntBitWidth, /*isSigned=*/true, + APFloat::rmTowardZero, &isExact); + if (isExact) { APInt IntVal(IntBitWidth, 2, x); unsigned IntegerReg = getRegForValue(ConstantInt::get(IntVal)); @@ -711,8 +713,10 @@ unsigned FastISel::FastEmit_rf_(MVT::SimpleValueType VT, ISD::NodeType Opcode, uint64_t x[2]; uint32_t IntBitWidth = IntVT.getSizeInBits(); - if (Flt.convertToInteger(x, IntBitWidth, /*isSigned=*/true, - APFloat::rmTowardZero) != APFloat::opOK) + bool isExact; + (void) Flt.convertToInteger(x, IntBitWidth, /*isSigned=*/true, + APFloat::rmTowardZero, &isExact); + if (!isExact) return 0; APInt IntVal(IntBitWidth, 2, x); |