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    <title>Changes in loop_v2.ll</title>
    <description></description>
    <language>en</language>
    <copyright>Copyright 2015</copyright>
    <generator>Java</generator><item>
        <title>4455c5cd - [CostModel][X86] Update RUN -passes=* to double quotes to appease update scripts on windows</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#4455c5cd</link>
        <description>[CostModel][X86] Update RUN -passes=* to double quotes to appease update scripts on windows

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Fri, 18 Mar 2022 11:44:07 +0000</pubDate>
        <dc:creator>Simon Pilgrim &lt;llvm-dev@redking.me.uk&gt;</dc:creator>
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        <title>15ba588d - [test] Migrate &apos;-analyze -cost-model&apos; to &apos;-passes=print&lt;cost-model&gt;&apos;</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#15ba588d</link>
        <description>[test] Migrate &apos;-analyze -cost-model&apos; to &apos;-passes=print&lt;cost-model&gt;&apos;

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Wed, 09 Feb 2022 23:25:18 +0000</pubDate>
        <dc:creator>Arthur Eubanks &lt;aeubanks@google.com&gt;</dc:creator>
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        <title>a79ac14f - [opaque pointer type] Add textual IR support for explicit type parameter to load instruction</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#a79ac14f</link>
        <description>[opaque pointer type] Add textual IR support for explicit type parameter to load instructionEssentially the same as the GEP change in r230786.A similar migration script can be used to update test cases, though a few moretest case improvements/changes were required this time around: (r229269-r229278)import fileinputimport sysimport repat = re.compile(r&quot;((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)&quot;)for line in sys.stdin:  sys.stdout.write(re.sub(pat, r&quot;\1, \2\3*\4&quot;, line))Reviewers: rafael, dexonsmith, grosserDifferential Revision: http://reviews.llvm.org/D7649llvm-svn: 230794

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Fri, 27 Feb 2015 21:17:42 +0000</pubDate>
        <dc:creator>David Blaikie &lt;dblaikie@gmail.com&gt;</dc:creator>
    </item>
<item>
        <title>79e6c749 - [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#79e6c749</link>
        <description>[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instructionOne of several parallel first steps to remove the target type of pointers,replacing them with a single opaque pointer type.This adds an explicit type parameter to the gep instruction so that when thefirst parameter becomes an opaque pointer type, the type to gep through isstill available to the instructions.* This doesn&apos;t modify gep operators, only instructions (operators will be  handled separately)* Textual IR changes only. Bitcode (including upgrade) and changing the  in-memory representation will be in separate changes.* geps of vectors are transformed as:    getelementptr &lt;4 x float*&gt; %x, ...  -&gt;getelementptr float, &lt;4 x float*&gt; %x, ...  Then, once the opaque pointer type is introduced, this will ultimately look  like:    getelementptr float, &lt;4 x ptr&gt; %x  with the unambiguous interpretation that it is a vector of pointers to float.* address spaces remain on the pointer, not the type:    getelementptr float addrspace(1)* %x  -&gt;getelementptr float, float addrspace(1)* %x  Then, eventually:    getelementptr float, ptr addrspace(1) %xImportantly, the massive amount of test case churn has been automated bysame crappy python code. I had to manually update a few test cases thatwouldn&apos;t fit the script&apos;s model (r228970,r229196,r229197,r229198). Thepython script just massages stdin and writes the result to stdout, Ithen wrapped that in a shell script to handle replacing files, thenusing the usual find+xargs to migrate all the files.update.py:import fileinputimport sysimport reibrep = re.compile(r&quot;(^.*?[^%\w]getelementptr inbounds )(((?:&lt;\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|&gt;)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))&quot;)normrep = re.compile(       r&quot;(^.*?[^%\w]getelementptr )(((?:&lt;\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|&gt;)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))&quot;)def conv(match, line):  if not match:    return line  line = match.groups()[0]  if len(match.groups()[5]) == 0:    line += match.groups()[2]  line += match.groups()[3]  line += &quot;, &quot;  line += match.groups()[1]  line += &quot;\n&quot;  return linefor line in sys.stdin:  if line.find(&quot;getelementptr &quot;) == line.find(&quot;getelementptr inbounds&quot;):    if line.find(&quot;getelementptr inbounds&quot;) != line.find(&quot;getelementptr inbounds (&quot;):      line = conv(re.match(ibrep, line), line)  elif line.find(&quot;getelementptr &quot;) != line.find(&quot;getelementptr (&quot;):    line = conv(re.match(normrep, line), line)  sys.stdout.write(line)apply.sh:for name in &quot;$@&quot;do  python3 `dirname &quot;$0&quot;`/update.py &lt; &quot;$name&quot; &gt; &quot;$name.tmp&quot; &amp;&amp; mv &quot;$name.tmp&quot; &quot;$name&quot;  rm -f &quot;$name.tmp&quot;doneThe actual commands:From llvm/src:find test/ -name *.ll | xargs ./apply.shFrom llvm/src/tools/clang:find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I &apos;{}&apos; ../../apply.sh &quot;{}&quot;From llvm/src/tools/polly:find test/ -name *.ll | xargs ./apply.shAfter that, check-all (with llvm, clang, clang-tools-extra, lld,compiler-rt, and polly all checked out).The extra &apos;rm&apos; in the apply.sh script is due to a few files in clang&apos;s testsuite using interesting unicode stuff that my python script was throwingexceptions on. None of those files needed to be migrated, so it seemedsufficient to ignore those cases.Reviewers: rafael, dexonsmith, grosserDifferential Revision: http://reviews.llvm.org/D7636llvm-svn: 230786

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Fri, 27 Feb 2015 19:29:02 +0000</pubDate>
        <dc:creator>David Blaikie &lt;dblaikie@gmail.com&gt;</dc:creator>
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        <title>662ece49 - TBAA: remove !tbaa from testing cases if not used.</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#662ece49</link>
        <description>TBAA: remove !tbaa from testing cases if not used.This will make it easier to turn on struct-path aware TBAA since the metadataformat will change.llvm-svn: 180743

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Mon, 29 Apr 2013 22:42:01 +0000</pubDate>
        <dc:creator>Manman Ren &lt;mren@apple.com&gt;</dc:creator>
    </item>
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        <title>13da9473 - CostModel: add support for Vector Insert and Extract.</title>
        <link>http://172.16.0.5:8080/history/llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll#13da9473</link>
        <description>CostModel: add support for Vector Insert and Extract.llvm-svn: 167329

            List of files:
            /llvm-project-15.0.7/llvm/test/Analysis/CostModel/X86/loop_v2.ll</description>
        <pubDate>Fri, 02 Nov 2012 22:31:56 +0000</pubDate>
        <dc:creator>Nadav Rotem &lt;nrotem@apple.com&gt;</dc:creator>
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