ABataev added inline comments.
================
Comment at: clang/lib/CodeGen/CGOpenMPRuntime.cpp:9615
+
+ std::string Buffer;
+ if (Fn->hasFnAttribute("vector-variants")) {
----------------
mmasten wrote:
> ABataev wrote:
> > 1. Why this change is required?
> > 2. Why not a `SmallString`?
> This change is required to more clearly indicate which function names
> represent simd function variants of the original scalar function. Previously,
> these function names were just represented as individual strings. Example:
> "_ZGVbM4l8__Z5add_1Pf", "_ZGVbN4l8__Z5add_1Pf", ... The attributes are now
> represented as a key/value pair: "vector-variants"="_ZGVbM4l8__Z5add_1Pf,
> _ZGVbN4l8__Z5add_1Pf, ...". Because the length of the string can now be quite
> a bit longer, I used std::string. Is SmallString still appropriate?
1. I would suggest to try to change this part of the compiler only after the
LLVM part is accepted to avoid double work here.
2. Yes, SmallString, SmallVector, etc. are dynamically resized if the
preallocated space is not enough.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D40577/new/
https://reviews.llvm.org/D40577
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