[PATCH] D26585: [AMDGPU] Add wave barrier builtin

[Stanislav Mekhanoshin via llvm-commits]

rampitec marked an inline comment as done.
rampitec added inline comments.


================
Comment at: lib/Target/AMDGPU/SIInstrInfo.cpp:903-906
+  case AMDGPU::WAVE_BARRIER: {
+    MI.eraseFromParent();
+    break;
+  }
----------------
tstellarAMD wrote:
> Does it matter that Post-RA scheduler runs after the Post-RA Pseudo Expansion pass?
I do not think that is important. Scheduler will not move an instruction to a non-equivalent control flow block.


Repository:
  rL LLVM

https://reviews.llvm.org/D26585