diff options
| author | Dale Johannesen <dalej@apple.com> | 2009-04-24 21:34:13 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-04-24 21:34:13 +0000 |
| commit | 63d4503dc11f83298c82a64d21214b481a967e3f (patch) | |
| tree | 57853f284d799d760e7490b90ac8c050027527c5 /lib/CodeGen | |
| parent | 35f652a919369ea801dd10f8fb6c1c99ba7620eb (diff) | |
| download | external_llvm-63d4503dc11f83298c82a64d21214b481a967e3f.zip external_llvm-63d4503dc11f83298c82a64d21214b481a967e3f.tar.gz external_llvm-63d4503dc11f83298c82a64d21214b481a967e3f.tar.bz2 | |
Fix PR 4057, a crash doing float->char const folding.
This particular one is undefined behavior (although this
isn't related to the crash), so it will no longer do it
at compile time, which seems better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69990 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index edd985e..954b842 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2197,16 +2197,17 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, } case ISD::FP_TO_SINT: case ISD::FP_TO_UINT: { - integerPart x; + integerPart x[2]; bool ignored; assert(integerPartWidth >= 64); // FIXME need to be more flexible about rounding mode. - APFloat::opStatus s = V.convertToInteger(&x, 64U, + APFloat::opStatus s = V.convertToInteger(x, VT.getSizeInBits(), Opcode==ISD::FP_TO_SINT, APFloat::rmTowardZero, &ignored); if (s==APFloat::opInvalidOp) // inexact is OK, in fact usual break; - return getConstant(x, VT); + APInt api(VT.getSizeInBits(), 2, x); + return getConstant(api, VT); } case ISD::BIT_CONVERT: if (VT == MVT::i32 && C->getValueType(0) == MVT::f32) |