<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Jun 8, 2012, at 6:18 AM, James Benton wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Fixed the following crash in llvm::APInt::lshr when shiftAmt > BitWidth.<br>Added a test which causes this crash.<br><br>Program received signal SIGSEGV, Segmentation fault.<br>0x0000000000ff5c9d in llvm::APInt::lshr (this=0x7fffffffc880, shiftAmt=160)<br> at /home/james/private_vmware/llvm/lib/Support/APInt.cpp:1173<br>1173 (pVal[i+offset+1] << (APINT_BITS_PER_WORD - wordShift));<br><br><br>#0 0x0000000000ff5c9d in llvm::APInt::lshr (this=0x7fffffffc870, shiftAmt=160)<br> at llvm/lib/Support/APInt.cpp:1173<br>#1 0x00000000009168d2 in (anonymous namespace)::DAGCombiner::visitAND (this=0x7fffffffcf90, N=0x181b3c0)<br> at llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:2496<br><span><diff.txt></span>_______________________________________________<br>llvm-commits mailing list<br><a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br>http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits<br></div></blockquote></div><div><br></div><div>The test is failing here: <a href="http://lab.llvm.org:8011/builders/llvm-arm-linux/builds/1170">http://lab.llvm.org:8011/builders/llvm-arm-linux/builds/1170</a></div><br><div><pre style="font-family: 'Courier New', courier, monotype, monospace; "><span class="stdout" style="font-family: 'Courier New', courier, monotype, monospace; color: black; ">******************** TEST 'LLVM :: CodeGen/Generic/2012-06-08-APIntCrash.ll' FAILED ********************Script:
--
/wd/buildbot/llvm-arm-linux/llvm/Debug+Asserts/bin/llc < /wd/buildbot/llvm-arm-linux/llvm/test/CodeGen/Generic/2012-06-08-APIntCrash.ll
--
Exit Code: 134
Command Output (stderr):
--
Return operand #4 has unhandled type i32UNREACHABLE executed at CallingConvLower.cpp:112!
0 llc 0x01208534
1 llc 0x01208ebc
2 libc.so.6 0x4021cc10 __default_sa_restorer_v2 + 0
Stack dump:
0. Program arguments: /wd/buildbot/llvm-arm-linux/llvm/Debug+Asserts/bin/llc
1. Running pass 'Function Pass Manager' on module '<stdin>'.
2. Running pass 'ARM Instruction Selection' on function '@test1'
/wd/buildbot/llvm-arm-linux/llvm/test/CodeGen/Generic/Output/2012-06-08-APIntCrash.ll.script: line 2: 29742 Aborted '/wd/buildbot/llvm-arm-linux/llvm/Debug+Asserts/bin/llc' < '/wd/buildbot/llvm-arm-linux/llvm/test/CodeGen/Generic/2012-06-08-APIntCrash.ll'
--
********************
</span></pre></div><div><span class="stdout" style="font-family: 'Courier New', courier, monotype, monospace; color: black; "><br></span></div></body></html>