[llvm] [NVTPX] Copy kernel arguments as byte array (PR #110356)

[Michael Kuron via llvm-commits]

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@@ -33,6 +33,15 @@ entry:
   ret void
 }
 
+; Check that nvptx-lower-args copies padding as the struct may have been a union
+; COMMON-LABEL: load_padding
+define void @load_padding(ptr nocapture readonly byval(%class.padded) %arg) {
+; PTX: ld.param.u64
+; PTX-NOT: ld.param.u8
+; PTX-NOT: ld.param.u32
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mkuron wrote:

I guess I could just remove the negative checks here. The struct has size 64, so if there is an `ld.param.u64`, there can't be any of the others.

https://github.com/llvm/llvm-project/pull/110356