Zequan Wu 5e84646982 [Clang] Fix nomerge attribute not working with __builtin_trap(), __debugbreak(), __builtin_verbose_trap() (#101549) ...

1. It fixes the problem that llvm.trap() not getting the nomerge
attribute.
2. It sets nomerge flag for the node if the instruction has nomerge
arrtibute.

This is a copy of https://reviews.llvm.org/D146164. This only attempts
to fix `nomerge` for `__builtin_trap()`, `__debugbreak()`,
`__builtin_verbose_trap()`, not working for non-trap builtins.

Fixes #53011

2024-08-01 16:13:39 -04:00

244 KiB

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