[llvm] [AMDGPU] Replace amdgpu-num-* attributes with stress options (PR #213924)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/lib/Target/AMDGPU/GCNRegPressure.cpp llvm/lib/Target/AMDGPU/GCNSchedStrategy.cpp llvm/lib/Target/AMDGPU/GCNSubtarget.cpp llvm/lib/Target/AMDGPU/GCNSubtarget.h llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
index c47565ef9..0d9aaccc0 100644
--- a/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
+++ b/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp
@@ -53,17 +53,17 @@ static cl::opt<unsigned>
                  cl::desc("Number of addresses from which to enable MIMG NSA."),
                  cl::init(2), cl::Hidden);
 
-static cl::opt<unsigned> StressVGPRLimit(
-    "amdgpu-stress-vgpr", cl::Hidden, cl::init(0),
-    cl::desc("Limit VGPRs to N arch registers"));
+static cl::opt<unsigned>
+    StressVGPRLimit("amdgpu-stress-vgpr", cl::Hidden, cl::init(0),
+                    cl::desc("Limit VGPRs to N arch registers"));
 
-static cl::opt<unsigned> StressAGPRLimit(
-    "amdgpu-stress-agpr", cl::Hidden, cl::init(0),
-    cl::desc("Limit AGPRs to N registers"));
+static cl::opt<unsigned>
+    StressAGPRLimit("amdgpu-stress-agpr", cl::Hidden, cl::init(0),
+                    cl::desc("Limit AGPRs to N registers"));
 
-static cl::opt<unsigned> StressSGPRLimit(
-    "amdgpu-stress-sgpr", cl::Hidden, cl::init(0),
-    cl::desc("Limit SGPRs to N registers"));
+static cl::opt<unsigned>
+    StressSGPRLimit("amdgpu-stress-sgpr", cl::Hidden, cl::init(0),
+                    cl::desc("Limit SGPRs to N registers"));
 
 GCNSubtarget::~GCNSubtarget() = default;
 
@@ -612,8 +612,8 @@ GCNSubtarget::getMaxNumVectorRegs(const Function &F) const {
     DynamicVGPRBlockSize = getDynamicVGPRBlockSize();
 
   std::pair<unsigned, unsigned> Waves = getWavesPerEU(F);
-  const unsigned MaxVectorRegs = getMaxNumVGPRs(Waves.first,
-                                                DynamicVGPRBlockSize);
+  const unsigned MaxVectorRegs =
+      getMaxNumVGPRs(Waves.first, DynamicVGPRBlockSize);
 
   unsigned MaxNumVGPRs = MaxVectorRegs;
   unsigned MaxNumAGPRs = 0;

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https://github.com/llvm/llvm-project/pull/213924