[llvm] [AMDGPU][GFX12/GFX13] Add cdbg branch support and lower llvm.is.debugging.enabled (PR #219178)

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Alexander =?utf-8?q?Hück?= <alexander.huck at amd.com>,
Alexander =?utf-8?q?Hück?= <alexander.huck at amd.com>,
Alexander =?utf-8?q?Hück?= <alexander.huck at amd.com>,
Alexander =?utf-8?q?Hück?= <alexander.huck at amd.com>
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In-Reply-To: <llvm.org/llvm/llvm-project/pull/219178 at github.com>


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/include/llvm/Target/TargetMachine.h llvm/lib/CodeGen/PreISelIntrinsicLowering.cpp llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp llvm/lib/Target/AMDGPU/AMDGPULowerIntrinsics.cpp llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h llvm/lib/Target/AMDGPU/SIISelLowering.cpp llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/include/llvm/Target/TargetMachine.h b/llvm/include/llvm/Target/TargetMachine.h
index ea26be5e4..4e8125d34 100644
--- a/llvm/include/llvm/Target/TargetMachine.h
+++ b/llvm/include/llvm/Target/TargetMachine.h
@@ -569,10 +569,10 @@ public:
   virtual bool canLowerCondLoop() const { return false; }
 
   /// Returns whether this target takes responsibility for lowering
-  /// llvm.is.debugging.enabled. If false, generic lowering replaces the intrinsic
-  /// with false. If true, the target must handle every supported subtarget,
-  /// including replacing the intrinsic with false on subtargets without native
-  /// lowering.
+  /// llvm.is.debugging.enabled. If false, generic lowering replaces the
+  /// intrinsic with false. If true, the target must handle every supported
+  /// subtarget, including replacing the intrinsic with false on subtargets
+  /// without native lowering.
   virtual bool canLowerIsDebuggingEnabled() const { return false; }
 };
 
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index c42060e69..64f213b3f 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -4873,8 +4873,8 @@ matchCFIntrinsicBranchUse(MachineInstr &MI, MachineRegisterInfo &MRI) {
 
   MachineBasicBlock *TakenTarget = UseMI->getOperand(1).getMBB();
   return CFIntrinsicBranchMatch{Negation, UseMI, UncondBr,
-                                 Negation ? OtherTarget : TakenTarget,
-                                 Negation ? TakenTarget : OtherTarget};
+                                Negation ? OtherTarget : TakenTarget,
+                                Negation ? TakenTarget : OtherTarget};
 }
 
 void AMDGPULegalizerInfo::buildLoadInputValue(Register DstReg,

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https://github.com/llvm/llvm-project/pull/219178