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2011 Jan 22
2
[LLVMdev] Pointers in Load and Store
...uction. I have
taken the code from line 632 and line 757 of
safecode/lib/ArrayBoundsChecks/ArrayBoundCheck.cpp
I must be doing something wrong, what is it?
Surinder Kumar Jain
PS: Yes, I will be using safecode but still I want to know why above
code does not work. I am posting a separate mail wioth the title "OPT
optimizations"
On Fri, Jan 21, 2011 at 3:12 PM, John Criswell <criswell at illinois.edu> wrote:
> On 1/20/2011 10:02 PM, Surinder wrote:
>> When I compile C programs into llvm, it produces load instructions in
>> two different flavours.
>>
>&...
2011 Jan 22
0
[LLVMdev] Pointers in Load and Store
...rayBoundsCheck and the run-time instrumentation
pass in lib/InsertPoolChecks/insert.cpp) only look for GEP instructions.
-- John T.
> Surinder Kumar Jain
>
>
> PS: Yes, I will be using safecode but still I want to know why above
> code does not work. I am posting a separate mail wioth the title "OPT
> optimizations"
>
> On Fri, Jan 21, 2011 at 3:12 PM, John Criswell<criswell at illinois.edu> wrote:
>> On 1/20/2011 10:02 PM, Surinder wrote:
>>> When I compile C programs into llvm, it produces load instructions in
>>> two differe...
2011 Jan 23
1
[LLVMdev] Pointers in Load and Store
...tation pass in
> lib/InsertPoolChecks/insert.cpp) only look for GEP instructions.
>
> -- John T.
>
>
>> Surinder Kumar Jain
>>
>>
>> PS: Yes, I will be using safecode but still I want to know why above
>> code does not work. I am posting a separate mail wioth the title "OPT
>> optimizations"
>
>
>>
>> On Fri, Jan 21, 2011 at 3:12 PM, John Criswell<criswell at illinois.edu>
>> wrote:
>>>
>>> On 1/20/2011 10:02 PM, Surinder wrote:
>>>>
>>>> When I compile C programs i...
2011 Jan 21
0
[LLVMdev] Pointers in Load and Store
On 1/20/2011 10:02 PM, Surinder wrote:
> When I compile C programs into llvm, it produces load instructions in
> two different flavours.
>
> (1) %8 = load i8** %bp, align 8
>
> (2) %1 = load i8* getelementptr inbounds ([4 x i8]* @.str, i64 0,
> i64 0), align 1
>
> I know that %bp in first case and the entire "getelementptr inbounds
> ([4 x i8]* @.str, i64
2011 Jan 21
2
[LLVMdev] Pointers in Load and Store
When I compile C programs into llvm, it produces load instructions in
two different flavours.
(1) %8 = load i8** %bp, align 8
(2) %1 = load i8* getelementptr inbounds ([4 x i8]* @.str, i64 0,
i64 0), align 1
I know that %bp in first case and the entire "getelementptr inbounds
([4 x i8]* @.str, i64 0, i64 0)" in second case can be obtained by
dump'ing I.getOperand(0)