[all-commits] [llvm/llvm-project] 53ea0d: [TSan] Fix atomicrmw xchg with pointer and floats ...

[Nikita Popov via All-commits]

  Branch: refs/heads/release/18.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 53ea0de61dcdeed075b81e4986b61054b7336f18
      https://github.com/llvm/llvm-project/commit/53ea0de61dcdeed075b81e4986b61054b7336f18
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-03-19 (Tue, 19 Mar 2024)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/ThreadSanitizer.cpp
    M llvm/test/Instrumentation/ThreadSanitizer/atomic.ll

  Log Message:
  -----------
  [TSan] Fix atomicrmw xchg with pointer and floats (#85228)

atomicrmw xchg also accepts pointer and floating-point values. To handle
those, insert necessary casts to and from integer. This is what we do
for cmpxchg as well.

Fixes https://github.com/llvm/llvm-project/issues/85226.

(cherry picked from commit ff2fb2a1d78585944dcdb9061c8487fe1476dfa4)



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