[PATCH] D14464: Add discriminators for call instructions that are from the same line and same basic block.

[David Blaikie via llvm-commits]

Even with column info, its insufficient if both calls came from the same
macro use:

#define X f(); f()
int main() {
  X;
}

Both calls to 'f' will have the same line and column, the location of the X
use.
On Nov 6, 2015 2:37 PM, "Paul Robinson via llvm-commits" <
llvm-commits at lists.llvm.org> wrote:

> probinson added a subscriber: probinson.
> probinson added a comment.
>
> Wouldn't you distinguish these by column number?  Discriminator is
> intended to be for paths that can't be distinguished solely by source
> location.
>
>
> http://reviews.llvm.org/D14464
>
>
>
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