[AMDGPU] Remove dead early-out in GCNHazardRecognizer

Remove an early-out in wait state counting which can never be
taken.

Reviewed By: foad, rampitec

Differential Revision: https://reviews.llvm.org/D101520

diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
index 82e1c58..57121ac 100644 (file)
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp
@@ -428,9 +428,6 @@ static int getWaitStatesSince(GCNHazardRecognizer::IsHazardFn IsHazard,
       continue;
 
     MinWaitStates = Found ? std::min(MinWaitStates, W) : W;
-    if (IsExpired(nullptr, MinWaitStates))
-      return MinWaitStates;
-
     Found = true;
   }