[LLVMbugs] [Bug 3157] New: Couldn't allocate output reg for constraint 'r' (x86_32/OSX )

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3157

           Summary: Couldn't allocate output reg for constraint 'r'
                    (x86_32/OSX)
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: edwintorok at gmail.com
                CC: asl at math.spbu.ru, llvmbugs at cs.uiuc.edu,
                    edwintorok at gmail.com, sveina at gmail.com
        Depends on: 3156


+++ This bug was initially created as a clone of Bug #3156 +++

Here is the segfault I see with mplayer.bc (this is a separate bug), look like
it infloops:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fc4151256f0 (LWP 28146)]
0x0000000000a58b3e in (anonymous namespace)::RALinScan::getFreePhysReg ()
Current language:  auto; currently asm#0  0x0000000000a58b3e in (anonymous
namespace)::RALinScan::getFreePhysReg ()
#1  0x0000000000a5993d in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#2  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#3  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#4  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#5  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#6  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#7  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#8  0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
.....
#5452 0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#5453 0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#5454 0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#5455 0x0000000000a5a503 in (anonymous
namespace)::RALinScan::assignRegOrStackSlotAtInterval ()
#5456 0x0000000000a5c7eb in (anonymous namespace)::RALinScan::linearScan ()
#5457 0x0000000000a5d311 in (anonymous
namespace)::RALinScan::runOnMachineFunction ()
#5458 0x0000000000bc799b in llvm::FPPassManager::runOnFunction ()
#5459 0x0000000000bc7d96 in llvm::FunctionPassManagerImpl::run ()
#5460 0x0000000000bc7f1e in llvm::FunctionPassManager::run ()
#5461 0x00000000004fe9c1 in main ()


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