It turns out that the operands of a Constant are not always themselves
Constant. For example, one of the operands of BlockAddress is
BasicBlock, which is not a Constant.
This should fix the dragonegg-x86_64-linux-gcc-4.6-test build which
broke in r168037.
llvm-svn: 168147
}
for (unsigned I = 0, E = C->getNumOperands(); I != E; ++I) {
- const Constant *D = cast<Constant>(C->getOperand(I));
+ const Constant *D = dyn_cast<Constant>(C->getOperand(I));
+ if (!D)
+ continue;
if (Visited.insert(D))
WorkList.push_back(D);
}
--- /dev/null
+; RUN: opt < %s -globalopt -S | FileCheck %s
+
+@x = internal global i8* zeroinitializer
+
+define void @f() {
+; CHECK: @f
+
+; Check that we don't hit an assert in Constant::IsThreadDependent()
+; when storing this blockaddress into a global.
+
+ store i8* blockaddress(@g, %here), i8** @x, align 8
+ ret void
+}
+
+define void @g() {
+; CHECK: @g
+
+here:
+ ret void
+}