Add support for unreachable and undef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/SparcV8ISelSimple.cpp b/lib/Target/Sparc/SparcV8ISelSimple.cpp
index 93711ea..5117a75 100644
--- a/lib/Target/Sparc/SparcV8ISelSimple.cpp
+++ b/lib/Target/Sparc/SparcV8ISelSimple.cpp
@@ -90,6 +90,7 @@
void visitCallInst(CallInst &I);
void visitReturnInst(ReturnInst &I);
void visitBranchInst(BranchInst &I);
+ void visitUnreachableInst(UnreachableInst &I) {}
void visitCastInst(CastInst &I);
void visitLoadInst(LoadInst &I);
void visitStoreInst(StoreInst &I);
@@ -230,6 +231,11 @@
std::cerr << "Copying this constant expr not yet handled: " << *CE;
abort();
}
+ } else if (isa<UndefValue>(C)) {
+ BuildMI(*MBB, IP, V8::IMPLICIT_DEF, 0, R);
+ if (getClassB (C->getType ()) == cLong)
+ BuildMI(*MBB, IP, V8::IMPLICIT_DEF, 0, R+1);
+ return;
}
if (C->getType()->isIntegral ()) {