[llvm] [AMDGPU] Change default loop alignment for GFX9 and higher targets (PR #153065)

[Matt Arsenault via llvm-commits]

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@@ -53,10 +53,14 @@ using namespace llvm::SDPatternMatch;
 
 STATISTIC(NumTailCalls, "Number of tail calls");
 
+static cl::opt<bool> DisableLoopAlignment("amdgpu-disable-loop-alignment",
+                                          cl::desc("Do not align loops"),
+                                          cl::init(false));
+
 static cl::opt<bool>
-    DisableLoopAlignment("amdgpu-disable-loop-alignment",
-                         cl::desc("Do not align and prefetch loops"),
-                         cl::init(false));
+    DisableLoopAlignmentPrefetch("amdgpu-disable-loop-alignment-prefetch",
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arsenm wrote:

Nobody should be using backend defined cl::opts 

https://github.com/llvm/llvm-project/pull/153065