[LLVMbugs] [Bug 11024] New: llc is taking 2000x time to compile for ARM target than for x86

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11024

           Summary: llc is taking 2000x time to compile for ARM target
                    than for x86
           Product: new-bugs
           Version: 2.9
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: babslachem at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Hello,

On attached file compiling as follows:

llc bugperf.ll -march=arm -mcpu=cortex-a9 -mattr=+neon,+neonfp
-relocation-model=pic -o bugperf.so

takes 215 secs

Whereas 

llc bugperf.ll -march=x86 -relocation-model=pic -o bugperf.so

takes 0.1 secs

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