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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Joey Gouly pointed out how to fake missing stuff using attributes, so test added in r172053.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Chandler Carruth [mailto:chandlerc@google.com]
<br>
<b>Sent:</b> 10 January 2013 09:32<br>
<b>To:</b> David Tweed<br>
<b>Cc:</b> llvm cfe<br>
<b>Subject:</b> Re: [cfe-commits] r172047 - /cfe/trunk/lib/CodeGen/CGExprScalar.cpp<o:p></o:p></span></p>
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<p class="MsoNormal">On Thu, Jan 10, 2013 at 1:11 AM, David Tweed <<a href="mailto:david.tweed@arm.com" target="_blank">david.tweed@arm.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Author: davidtweed<br>
Date: Thu Jan 10 03:11:33 2013<br>
New Revision: 172047<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=172047&view=rev" target="_blank">
http://llvm.org/viewvc/llvm-project?rev=172047&view=rev</a><br>
Log:<br>
Testing with a full OpenCL compiler (based on clang) reveals r71734 missed<br>
difference between type widths of a vector and the width of one of its elements<br>
in the case of vector shifts. Use correct witdth in the vector case.<o:p></o:p></p>
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<p class="MsoNormal">This still needs a regression test case.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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Modified:<br>
cfe/trunk/lib/CodeGen/CGExprScalar.cpp<br>
<br>
Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=172047&r1=172046&r2=172047&view=diff" target="_blank">
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=172047&r1=172046&r2=172047&view=diff</a><br>
==============================================================================<br>
--- cfe/trunk/lib/CodeGen/CGExprScalar.cpp (original)<br>
+++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp Thu Jan 10 03:11:33 2013<br>
@@ -2368,8 +2368,12 @@<br>
}<br>
<br>
Value *ScalarExprEmitter::GetWidthMinusOneValue(Value* LHS,Value* RHS) {<br>
- unsigned Width = cast<llvm::IntegerType>(LHS->getType())->getBitWidth();<br>
- return llvm::ConstantInt::get(RHS->getType(), Width - 1);<br>
+ llvm::IntegerType *Ty;<br>
+ if (llvm::VectorType *VT = dyn_cast<llvm::VectorType>(LHS->getType()))<br>
+ Ty = cast<llvm::IntegerType>(VT->getElementType());<br>
+ else<br>
+ Ty = cast<llvm::IntegerType>(LHS->getType());<br>
+ return llvm::ConstantInt::get(RHS->getType(), Ty->getBitWidth() - 1);<br>
}<br>
<br>
Value *ScalarExprEmitter::EmitShl(const BinOpInfo &Ops) {<br>
<br>
<br>
_______________________________________________<br>
cfe-commits mailing list<br>
<a href="mailto:cfe-commits@cs.uiuc.edu">cfe-commits@cs.uiuc.edu</a><br>
<a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits</a><o:p></o:p></p>
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