[llvm] [AMDGPU] Add AMDPAL support for llvm.debugtrap (PR #219179)

[Matt Arsenault via llvm-commits]

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>,
Alexander =?utf-8?q?Hück?= <alexander.huck at amd.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/219179 at github.com>


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@@ -4804,47 +4804,77 @@ static bool isNot(const MachineRegisterInfo &MRI, const MachineInstr &MI) {
   return ConstVal == -1;
 }
 
-// Return the use branch instruction, otherwise null if the usage is invalid.
-static MachineInstr *
-verifyCFIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI, MachineInstr *&Br,
-                  MachineBasicBlock *&UncondBrTarget, bool &Negated) {
+namespace {
+struct CFIntrinsicBranchMatch {
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arsenm wrote:

This shouldn't justify new control flow handling in the legalizer 

https://github.com/llvm/llvm-project/pull/219179