<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Micah,<div><br></div><div>I forgot that you are at a StoreSDNode. You can get the value directly from that node. Try something like</div><div> storeOp->getSrcValue()->getType()</div><div><br></div><div>That should give you the type of the memory location.</div><div><br></div><div>-- Mon Ping</div><div><br></div><div><br></div><div><div><div>On Sep 18, 2008, at 8:42 AM, Villmow, Micah wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><o:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street">
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<div class="Section1"><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Mon Ping, <o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> Thanks for the tip, but I can’t
for the life of me seem to get the Value from a StoreSDNode. From looking at
the SelectionDAGNodes header file, the only class that has the getValue
function call is SrcValueSDNode that returns a Value type. The only class that
has getType is a ConstantPoolSDNode. I don’t think that
ConstantPoolSDNode is what I want and when I try to cast the getBasePtr().Val
of the StoreSDNode to a SrcValueSDNode it asserts on:<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Assertion failed: isa<X>(Val)
&& "cast<Ty>() argument of incompatible type!"<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">This is what I’m attempting:<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">SDValue LangTargetLowering::LowerSTORE(SDValue
Op, SelectionDAG& DAG){<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> const StoreSDNode*
storeOp = dyn_cast<StoreSDNode>(Op.Val);<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> const SDValue&
dstPtr = storeOp->getBasePtr();<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> <b><span style="font-weight:bold">const SrcValueSDNode* svdstVal =
cast<SrcValueSDNode>(dstPtr.Val);<o:p></o:p></span></b></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> const Value* dstVal =
svdstVal->getValue();<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> int addressSpace = ADDRESS_NONE;<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> const Type* dstType =
dstVal->getType();<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> if
(isa<PointerType>(dstType)) {<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">
const PointerType* ptrType = cast<PointerType>(dstType);<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">
addressSpace = ptrType->getAddressSpace();<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> }<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> printf("Addr:
%d\n", addressSpace);<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> SDValue Res;<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> ….<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"> return Res;<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">}<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Any idea what I’m doing wrong or how
I can get this to work correctly?<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy"><o:p> </o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Thanks,<o:p></o:p></span></font></p><p class="MsoNormal"><font size="2" color="navy" face="Arial"><span style="font-size:
10.0pt;font-family:Arial;color:navy">Micah<o:p></o:p></span></font></p>
<div>
<div class="MsoNormal" align="center" style="text-align:center"><font size="3" face="Times New Roman"><span style="font-size:12.0pt">
<hr size="2" width="100%" align="center" tabindex="-1">
</span></font></div><p class="MsoNormal"><b><font size="2" face="Tahoma"><span style="font-size:10.0pt;
font-family:Tahoma;font-weight:bold">From:</span></font></b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma">
<a href="mailto:llvmdev-bounces@cs.uiuc.edu">llvmdev-bounces@cs.uiuc.edu</a> [mailto:llvmdev-bounces@cs.uiuc.edu] <b><span style="font-weight:bold">On Behalf Of </span></b>Mon Ping Wang<br>
<b><span style="font-weight:bold">Sent:</span></b> Wednesday, September 17,
2008 3:45 PM<br>
<b><span style="font-weight:bold">To:</span></b> <st1:personname w:st="on">LLVM
Developers Mailing List</st1:personname><br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [LLVMdev] store
addrspace qualifier</span></font><o:p></o:p></p>
</div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
</div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt">The address qualifier is stored in the type of %result. From that
operand, you can get the Value and then call getType. The type for result
should be a PointerType which you cast to a PointerType and get the
getAddressSpace e.g. </span></font><span class="apple-style-span"><font size="1" face="Monaco"><span style="font-size:7.5pt;font-family:Monaco">cast<<font color="#3f6e74"><span style="color:#3F6E74">PointerType</span></font>>(<font color="#3f6e74"><span style="color:#3F6E74">Ty</span></font>)->getAddressSpace()</span></font></span><o:p></o:p></p>
<div>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
</div>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt">-- Mon Ping<o:p></o:p></span></font></p>
</div>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
</div>
<div>
<div>
<div>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><o:p> </o:p></span></font></p>
<div>
<div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt">On Sep 17, 2008, at 1:06 PM, Villmow, Micah wrote:<o:p></o:p></span></font></p>
</div><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><br>
<br>
<o:p></o:p></span></font></p>
<u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"><u1:smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address">
<div link="blue" vlink="purple"><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">How do I access the address qualifier from the store
instruction.<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Given the following code:<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"><u1:p> </u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">define void @test_unary_op_anegate(float %x, float
addrspace(11)* %result) nounwind {<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">entry:<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"> %neg = sub float
-0.000000e+000,
%x ;
<float> [#uses=1]<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"> store float %neg,
float addrspace(11)* %result<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"> ret void<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">}<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">When I attempt to generate this code, I’m aborting on.<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Cannot yet select: 017E8230: ch = store 017E7DF0, 017E8098,
017E8010, 017E81A8 <0035A078:0> alignment=4<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">So I am doing a custom Store function.<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">In my LowerStore function, I get an SDValue w/ opcode of
119(store) and 4 child Operands<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Operand 0 is the entry token which I assume I can ignore<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Operand 1 is the source data(%neg), which I finally can
handle correctly thanks to Eli<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Operand 2 is the dst location with two children, an
EntryToken and Register(%result I’m guessing)<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Operand 3 is undef<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"><u1:p> </u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">So, how do I find out the address space? The reason being
different address spaces are accessed with different registers.<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"><u1:p> </u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Thanks,<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial"><u1:p> </u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Micah Villmow<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Systems Engineer<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Advanced Technology & Performance<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">Advanced Micro Devices Inc.<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><ns7:street u2:insauthor="Micah Villmow" u2:insdate="2008-09-17T12:57:00Z" u2:endinsauthor="Micah Villmow" u2:endinsdate="2008-09-17T12:57:00Z"><ns7:address u2:insauthor="Micah Villmow" u2:insdate="2008-09-17T12:57:00Z" u2:endinsauthor="Micah Villmow" u2:endinsdate="2008-09-17T12:57:00Z"><st1:street u2:st="on"><st1:address u2:st="on"><st1:street w:st="on"><st1:address w:st="on"><font size="2" face="Arial"><span style="font-size:10.0pt;font-family:Arial">4555 Great America Pkwy</span></font></st1:address><font size="2" face="Arial"></font></st1:street><font size="2" face="Arial"></font></st1:address></st1:street></ns7:address><font size="2" face="Arial"></font></ns7:street><font size="2" face="Arial"></font><font size="2" face="Arial"><span style="font-size:10.0pt;font-family:Arial">,<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><ns7:place u2:insauthor="Micah Villmow" u2:insdate="2008-09-17T12:57:00Z" u2:endinsauthor="Micah Villmow" u2:endinsdate="2008-09-17T12:57:00Z"><ns7:city u2:insauthor="Micah Villmow" u2:insdate="2008-09-17T12:57:00Z" u2:endinsauthor="Micah Villmow" u2:endinsdate="2008-09-17T12:57:00Z"><st1:city u2:st="on"><st1:place u2:st="on"><st1:city w:st="on"><st1:place w:st="on"><font size="2" face="Arial"><span style="font-size:
10.0pt;font-family:Arial">Santa Clara</span></font></st1:place><font size="2" face="Arial"></font></st1:city><font size="2" face="Arial"></font></st1:place></st1:city></ns7:city><font size="2" face="Arial"></font></ns7:place><font size="2" face="Arial"></font><font size="2" face="Arial"><span style="font-size:10.0pt;font-family:Arial">, CA. 95054<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">P: 408-572-6219<u1:p></u1:p></span></font><o:p></o:p></p><p class="MsoNormal"><font size="2" face="Arial"><span style="font-size:10.0pt;
font-family:Arial">F: 408-572-6596</span></font><o:p></o:p></p>
<u1:p></u1:p><p class="MsoNormal"><font size="3" face="Times New Roman"><span style="font-size:
12.0pt"><u1:p> </u1:p><o:p></o:p></span></font></p>
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