[LLVMbugs] [Bug 2775] New: ice: invalid register-register move instruction
bugzilla-daemon at cs.uiuc.edu
bugzilla-daemon at cs.uiuc.edu
Sat Sep 6 08:52:19 PDT 2008
http://llvm.org/bugs/show_bug.cgi?id=2775
Summary: ice: invalid register-register move instruction
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
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
Seen using r55870 on Ubuntu Hardy on ia32.
regehr at john-home:~/volatile/tmp25$ llvm-gcc -Os small.c
cc1: X86InstrInfo.cpp:684: virtual bool llvm::X86InstrInfo::isMoveInstr(const
llvm::MachineInstr&, unsigned int&, unsigned int&) const: Assertion
`MI.getNumOperands() >= 2 && MI.getOperand(0).isRegister() &&
MI.getOperand(1).isRegister() && "invalid register-register move instruction"'
failed.
small.c:47: 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 john-home:~/volatile/tmp25$ cat small.c
typedef int int32_t;
typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
static inline unsigned int
lshift_u_s (unsigned int left, int right)
{
return left << right;
}
static inline unsigned int
rshift_u_u (unsigned int left, unsigned int right)
{
return left >> right;
}
static inline unsigned long int
mod_rhs (long int rhs)
{
return rhs;
}
uint32_t g_3;
uint8_t g_59;
uint32_t g_75;
uint32_t g_80;
uint32_t g_159;
int32_t func_93 (uint8_t p_94);
uint32_t
func_58 (uint8_t p_60, uint32_t p_61, uint8_t p_63)
{
uint32_t l_170;
uint32_t l_180 = 7L;
for (l_170 = 0; (l_170 == 0); l_170 -= 1)
if ((1 % mod_rhs (((l_180 > (0 || g_159)) || g_3))))
l_180 = 1;
func_93 ((mod_rhs (rshift_u_u (p_61, p_63))));
if (func_39 (1))
g_80 = (((p_63 & func_93 (1)) * (lshift_u_s (p_63, l_180))));
}
int32_t
func_93 (uint8_t p_94)
{
if (p_94)
return g_59;
for (0; 1; g_75--)
{
}
}
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