Duncan,
Thanks for getting back to me. I am not sure how to find the original
bitcode (and related Ada source code) that causes the truncate. This is the
error message that gcc gave me when I tried to compile an Ada source file
using dragonegg plugin (gcc -c -fplugin...).
ZY
On Sat, May 11, 2013 at 12:42 PM, Duncan Sands <baldrick at free.fr>
wrote:
> Hi ZY,
>
>
> On 10/05/13 22:34, Zhiyuan Ren wrote:
>
>> Hello, I am new to LLVM and doing some experiment with 3.2 on Ada code.
>> Can
>> anyone help me on the following error message?
>>
>
> a truncate from an i32 to an f32 is not valid. This caused the code
> generator
> to abort. What is the original bitcode that caused this?
>
> Ciao, Duncan.
>
>
>> Thanks,
>> ZY
>>
>>
>> LLVM ERROR: Cannot select: 0xa7a0bf0: f32 = truncate 0xa7a5ea8 [ID=24]
>> 0xa7a5ea8: i32 = X86ISD::SHLD 0xa790280, 0xa790390, 0xa76e088
[ID=22]
>> 0xa790280: i32,ch = load 0xa7386a0, 0xa7a68d8,
>> 0xa7a5628<LD1[%1482+4],
>> anyext from i8> [ID=19]
>> 0xa7a68d8: i32 = add 0xa7a6040, 0xa7a11c8 [ID=15]
>> 0xa7a6040: i32,ch = CopyFromReg 0xa7386a0, 0xa790c98 [ORD=741]
>> [ID=12]
>> 0xa790c98: i32 = Register %vreg7 [ORD=741] [ID=3]
>> 0xa7a11c8: i32 = Constant<13> [ID=7]
>> 0xa7a5628: i32 = undef [ORD=737] [ID=2]
>> 0xa790390: i32,ch = load 0xa7386a0, 0xa7a57c0,
>> 0xa7a5628<LD4[%1482](align=1)> [ID=20]
>> 0xa7a57c0: i32 = add 0xa7a6040, 0xa7a5f30 [ID=16]
>> 0xa7a6040: i32,ch = CopyFromReg 0xa7386a0, 0xa790c98 [ORD=741]
>> [ID=12]
>> 0xa790c98: i32 = Register %vreg7 [ORD=741] [ID=3]
>> 0xa7a5f30: i32 = Constant<9> [ID=5]
>> 0xa7a5628: i32 = undef [ORD=737] [ID=2]
>> 0xa76e088: i8 = Constant<31> [ID=6]
>>
>>
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