[LLVMbugs] [Bug 2372] New: ice

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=2372

           Summary: ice
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: regehr at cs.utah.edu
                CC: llvmbugs at cs.uiuc.edu


This is on svn 51560 for ia32 on Ubuntu Feisty.

[regehr at babel tmp10]$ llvm-gcc -O1 small.c
cc1: LiveVariables.cpp:143: void llvm::LiveVariables::HandleVirtRegUse(unsigned
int, llvm::MachineBasicBlock*, llvm::MachineInstr*): Assertion `MBB !=
MRI->getV
RegDef(reg)->getParent() && "Should have kill for defblock!"' failed.
small.c:30: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.

[regehr at babel tmp10]$ cat small.c

typedef short int int16_t;
typedef int int32_t;
typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
static inline int
lshift_s_s (int left, int right)
{
  if ((left < 0) || (right) || (right >= sizeof (int))
      || (left > (1 >> right)))
    return left;
  return left << right;
}

int32_t
func_3 (int16_t p_5, int16_t p_6)
{
  uint8_t l_127;
  for (1; l_127; --l_127)
    func_8 (((p_5
              && (func_8 ((func_8 (func_18 (p_5, p_5, 1), 1)), 1) *
                  (lshift_s_s (0x8CCBL, p_6))))), 1);
  ((rshift_s_s
    (func_8 (p_5, (func_18 (0xDA599ACBL, (func_18 (1, p_6, 1)), 1))), 1)));
}

int32_t
func_8 (uint32_t p_9, uint32_t p_10)
{
  return 1;
}

[regehr at babel tmp10]$


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