[clang] [llvm] [AMDGPU] Emit a waitcnt instruction after each memory instruction (PR #68932)

[Jun Wang via llvm-commits]

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+; Testing the -amdgpu-precise-memory-op option
+; COM: llc -mtriple=amdgcn -mcpu=hawaii -mattr=+amdgpu-precise-memory-op -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GFX7
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jwanggit86 wrote:

Comment. Some testcases in this file won't run if mcpu=hawaii. In the latest commit, the test file has been split into 2.

https://github.com/llvm/llvm-project/pull/68932