SDDbgValues are apparently not being legalized. Fix a symptom of the problem,
and not the real problem itself, by dropping debug info for i128 values.
rdar://7958162.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 8f406a8..0112bc1 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -583,7 +583,13 @@
} else if (SD->getKind() == SDDbgValue::CONST) {
const Value *V = SD->getConst();
if (const ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
- MIB.addImm(CI->getSExtValue());
+ // FIXME: SDDbgValues aren't updated with legalization, so it's possible
+ // to have i128 values in them at this point. As a crude workaround, just
+ // drop the debug info if this happens.
+ if (!CI->getValue().isSignedIntN(64))
+ MIB.addReg(0U);
+ else
+ MIB.addImm(CI->getSExtValue());
} else if (const ConstantFP *CF = dyn_cast<ConstantFP>(V)) {
MIB.addFPImm(CF);
} else {