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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Chandler,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks for the quick reply. I cannot reproduce the issue in trunk or the 3.1 release - false alarm.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>-Greg<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Chandler Carruth [mailto:chandlerc@google.com] <br><b>Sent:</b> Thursday, June 07, 2012 5:55 PM<br><b>To:</b> Greg Fitzgerald<br><b>Cc:</b> cfe-dev@cs.uiuc.edu<br><b>Subject:</b> Re: [cfe-dev] always_inline with -fno-inline<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Jun 7, 2012 at 5:39 PM, Greg Fitzgerald <<a href="mailto:gregf@codeaurora.org" target="_blank">gregf@codeaurora.org</a>> wrote:<o:p></o:p></p><div><div><p>Hi!<o:p></o:p></p><p> <o:p></o:p></p><p>When clang is invoked with the ‘-fno-inline’ flag and the C function is prefixed by ‘__attribute__((always_inline))’, clang does not inline the function whereas GCC does. GCC’s behavior seems more intuitive to me - that the file-level annotation should override the command-line flag. Do you agree? Can we make clang match gcc?<o:p></o:p></p></div></div><div><p class=MsoNormal>Yes, I generally agree with GCC's interpretation here. Care to write a patch implementing this? I'm happy to review it.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For reference, the 'always_inline' attribute often has a semantic contract -- failing to inline it can produce wrong code, not just slow code, so it should trump almost everything else.<o:p></o:p></p></div></div></div></body></html>