[llvm] [AMDGPU] MCExpr-ify MC layer kernel descriptor (PR #80855)

[Matt Arsenault via llvm-commits]

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@@ -1187,11 +1188,11 @@ void initDefaultAMDKernelCodeT(amd_kernel_code_t &Header,
   }
 }
 
-amdhsa::kernel_descriptor_t
-getDefaultAmdhsaKernelDescriptor(const MCSubtargetInfo *STI, MCContext &Ctx) {
+MCKernelDescriptor getDefaultAmdhsaKernelDescriptor(const MCSubtargetInfo *STI,
+                                                    MCContext &Ctx) {
   IsaVersion Version = getIsaVersion(STI->getCPU());
 
-  amdhsa::kernel_descriptor_t KD;
+  MCKernelDescriptor KD;
   memset(&KD, 0, sizeof(KD));
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arsenm wrote:

shouldn't need memset 0 anymore 

https://github.com/llvm/llvm-project/pull/80855