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<span>Craig,</span></div>
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<span>clang --target=XYZ x.c -o foo.elf<br>
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<div>error: unknown target triple '<span>XYZ</span>', please use -triple or -arch</div>
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<div>-triple and -arch didn't work either<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Craig Topper <craig.topper@gmail.com><br>
<b>Sent:</b> Saturday, March 23, 2019 1:39 PM<br>
<b>To:</b> J S<br>
<b>Cc:</b> Doerfert, Johannes; via llvm-dev<br>
<b>Subject:</b> Re: [llvm-dev] Generating object files more efficiently</font>
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<div dir="ltr">I think you need to pass a triple for your target to clang using --target otherwise it will use your host target.
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<div dir="ltr" class="x_gmail_signature">~Craig</div>
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<div dir="ltr" class="x_gmail_attr">On Sat, Mar 23, 2019 at 1:32 PM J S via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<br>
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It is my actual target architecture<br>
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<div id="x_gmail-m_-5869115427390288500divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Doerfert, Johannes <<a href="mailto:jdoerfert@anl.gov" target="_blank">jdoerfert@anl.gov</a>><br>
<b>Sent:</b> Saturday, March 23, 2019 1:30 PM<br>
<b>To:</b> J S<br>
<b>Cc:</b> via llvm-dev<br>
<b>Subject:</b> Re: [llvm-dev] Generating object files more efficiently</font>
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<p style="margin-top:0px; margin-bottom:0px">I copied "-march=XYZ" from your original email,</p>
<p style="margin-top:0px; margin-bottom:0px">you have to replace it with your actual target architecture or simply drop it.</p>
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<div id="x_gmail-m_-5869115427390288500x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> J S <<a href="mailto:mm92126@hotmail.com" target="_blank">mm92126@hotmail.com</a>><br>
<b>Sent:</b> Saturday, March 23, 2019 3:26:59 PM<br>
<b>To:</b> Doerfert, Johannes<br>
<b>Cc:</b> via llvm-dev<br>
<b>Subject:</b> Re: [llvm-dev] Generating object files more efficiently</font>
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<p style="margin-top:0px; margin-bottom:0px">Johannes,</p>
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<p style="margin-top:0px; margin-bottom:0px">I tried the last one and it gave me this:</p>
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<div>error: unknown target CPU 'XYZ'<br>
note: valid target CPU values are: nocona, core2, penryn, bonnell, atom,<br>
silvermont, slm, goldmont, goldmont-plus, tremont, nehalem, corei7,<br>
westmere, sandybridge, corei7-avx, ivybridge, core-avx-i, haswell,<br>
core-avx2, broadwell, skylake, skylake-avx512, skx, cascadelake,<br>
cannonlake, icelake-client, icelake-server, knl, knm, k8, athlon64,<br>
athlon-fx, opteron, k8-sse3, athlon64-sse3, opteron-sse3, amdfam10,<br>
barcelona, btver1, btver2, bdver1, bdver2, bdver3, bdver4, znver1, znver2,<br>
x86-64</div>
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<div id="x_gmail-m_-5869115427390288500x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Doerfert, Johannes <<a href="mailto:jdoerfert@anl.gov" target="_blank">jdoerfert@anl.gov</a>><br>
<b>Sent:</b> Saturday, March 23, 2019 1:15 PM<br>
<b>To:</b> J S<br>
<b>Cc:</b> via llvm-dev<br>
<b>Subject:</b> Re: [llvm-dev] Generating object files more efficiently</font>
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<div class="x_gmail-m_-5869115427390288500x_x_PlainText">I would have guessed:<br>
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object:<br>
clang -c foo.c -o foo.o -march=XYZ<br>
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shared library:<br>
clang -shared foo.c -o foo.so -march=XYZ<br>
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executable:<br>
clang foo.c -o foo -march=XYZ<br>
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On 03/23, J S via llvm-dev wrote:<br>
> Currently I compile my C code in 2 steps in order to generate .o files<br>
> <br>
> clang -emit-llvm -c foo.c -o foo.bc<br>
> llc -march=XYZ foo.bc -filetype=obj<br>
> <br>
> Is there a way to generate either .o or .elf files in just 1 command?<br>
> <br>
> Thanks.<br>
> <br>
<br>
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-- <br>
<br>
Johannes Doerfert<br>
Researcher<br>
<br>
Argonne National Laboratory<br>
Lemont, IL 60439, USA<br>
<br>
<a href="mailto:jdoerfert@anl.gov" target="_blank">jdoerfert@anl.gov</a><br>
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