| commit | b4d4959fdda7afdf7994d3cb0b20c052ad0c7895 | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Tue Jul 17 07:47:50 2012 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Tue Jul 17 07:47:50 2012 +0000 |
| tree | 08e05c89486e35fd5760856a6d033d847dfe685f | |
| parent | 70e10d3fe4c5df189348f64fce56254a5a32b51c [diff] [blame] |
Make sure constant bitwidth is <= 64 bit before calling getSExtValue(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160350 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 9902ed7..d439a6f 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2323,7 +2323,8 @@ } } - if (!isLegalICmpImmediate(C1.getSExtValue())) { + if (C1.getMinSignedBits() <= 64 && + !isLegalICmpImmediate(C1.getSExtValue())) { // (X & -256) == 256 -> (X >> 8) == 1 if ((Cond == ISD::SETEQ || Cond == ISD::SETNE) && N0.getOpcode() == ISD::AND && N0.hasOneUse()) {