[llvm] [NVPTX] Support intrinsics for reserved shared memory special registers (PR #182354)

[via llvm-commits]

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@@ -2986,6 +2986,16 @@ def : Pat<(int_nvvm_read_ptx_sreg_envreg29), (MOV_SPECIAL ENVREG29)>;
 def : Pat<(int_nvvm_read_ptx_sreg_envreg30), (MOV_SPECIAL ENVREG30)>;
 def : Pat<(int_nvvm_read_ptx_sreg_envreg31), (MOV_SPECIAL ENVREG31)>;
 
+// Reserved Shared Memory special register reads
+def : Pat<(int_nvvm_read_ptx_sreg_reserved_smem_offset_begin),
+          (MOV_SPECIAL RESERVED_SMEM_OFFSET_BEGIN)>, Requires<[hasPTX<76>, hasSM<80>]>;
+def : Pat<(int_nvvm_read_ptx_sreg_reserved_smem_offset_end),
+          (MOV_SPECIAL RESERVED_SMEM_OFFSET_END)>, Requires<[hasPTX<76>, hasSM<80>]>;
+def : Pat<(int_nvvm_read_ptx_sreg_reserved_smem_offset_cap),
+          (MOV_SPECIAL RESERVED_SMEM_OFFSET_CAP)>, Requires<[hasPTX<76>, hasSM<80>]>;
+def : Pat<(int_nvvm_read_ptx_sreg_reserved_smem_offset_0),
+          (MOV_SPECIAL RESERVED_SMEM_OFFSET_0)>, Requires<[hasPTX<76>, hasSM<80>]>;
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yasmincs wrote:

fixed

https://github.com/llvm/llvm-project/pull/182354