[clang] [llvm] [mlir] [NVPTX] Unify and extend barrier{.cta} intrinsic support (PR #140615)

Alex MacLean via cfe-commits cfe-commits at lists.llvm.org
Mon May 19 16:06:05 PDT 2025


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@@ -240,6 +240,34 @@ def BF16RT   : RegTyInfo<bf16, Int16Regs, bf16imm, fpimm, supports_imm = 0>;
 def F16X2RT  : RegTyInfo<v2f16, Int32Regs, ?, ?, supports_imm = 0>;
 def BF16X2RT : RegTyInfo<v2bf16, Int32Regs, ?, ?, supports_imm = 0>;
 
+// This class provides a basic wrapper around an NVPTXInst that abstracts the
+// specific syntax of most PTX instructions. It automatically handles the
+// construction of the asm string based on the provided dag arguments.
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AlexMaclean wrote:

Added a couple examples

https://github.com/llvm/llvm-project/pull/140615


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