[LLVMbugs] [Bug 21919] New: PBQP takes ages (infloops?) to compile this testcase

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=21919

            Bug ID: 21919
           Summary: PBQP takes ages (infloops?) to compile this testcase
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Register Allocator
          Assignee: unassignedbugs at nondot.org
          Reporter: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 13544
  --> http://llvm.org/bugs/attachment.cgi?id=13544&action=edit
test case

time clang -Oz -march=i386 -m32 -std=gnu99 -c boot2-minimal.c

0.184u 0.016s 0:00.20 95.0%    50273+3673k 4+1io 0pf+0w

clang -Oz -march=i386 -mllvm -regalloc=pbqp -m32 -std=gnu99 -c boot2-minimal.c

doesnt finish within 10 minutes

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20141215/e7775da7/attachment.html>