http://llvm.org/bugs/show_bug.cgi?id=2794
Summary: ISD::SIGN_EXTEND_INREG added during Legalization and not
Legalized
Product: new-bugs
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
LegalizeDAG.cpp adds a ISD::SIGN_EXTEND_INREG node during promotion but doesn't
make sure to verify that the resulting DAG is legal for the target.
The fix is:
Index: LegalizeDAG.cpp
===================================================================
--- LegalizeDAG.cpp (revision 56194)
+++ LegalizeDAG.cpp (working copy)
@@ -4670,6 +4670,8 @@
DAG.getValueType(VT));
Tmp2 = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Tmp2,
DAG.getValueType(VT));
+ Tmp1 = LegalizeOp(Tmp1);
+ Tmp2 = LegalizeOp(Tmp2);
break;
}
}
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