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2016 Mar 31
2
PHI inst has two exact the same operands?
Dear there,
Is the following phi instruction valid?
%j_8 = phi i32 [ %j_100, %"<bb 13>" ], [ %j_9133, %"<bb 10>" ], [
%j_9133, %"<bb 9>" ]
Variable %j_9133 is in bb 9.
And also this one:
%D.1898_8.i = phi i32 [ %D.1898_27.i, %"<bb 18>.i" ], [ -1, %"<bb 23>" ],
[ %D.1776_19...
2016 Mar 31
0
PHI inst has two exact the same operands?
...0.
Not sure what you mean by "support this", unless your tool doesn't handle
certain types of CFG's
On Wed, Mar 30, 2016 at 8:12 PM, Xiaochu Liu via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> Dear there,
>
> Is the following phi instruction valid?
>
> %j_8 = phi i32 [ %j_100, %"<bb 13>" ], [ %j_9133, %"<bb 10>" ], [
> %j_9133, %"<bb 9>" ]
>
> Variable %j_9133 is in bb 9.
>
> And also this one:
>
> %D.1898_8.i = phi i32 [ %D.1898_27.i, %"<bb 18>.i" ], [ -1, %"<...