Dear all,

I am trying to dump certain IRNode in *src/cmd/internal/ssagen/ssa.go* file 
in 1.19. Suppose n is an IRNode 
<https://pkg.go.dev/cmd/compile/internal/ir#Node>, then I tried 
`*fmt.Printf(“%+v”, 
n)*`, and I can see something like

*.    NAME-strong.u esc(no) Class:PPARAM Offset:24 OnStack Used uint64 
tc(1) # itoa.go:88:29*

I am interested in the last part “*itoa.go:88:29*” and I wonder how to get 
this substring. Based on my understanding, “%+v” basically print all fields 
in a struct. Also seems like these two statements are equivalent: 
`fmt.Printf(“%+v”, n)` versus 
`fmt.Printf(“%+v”, n.Name())`. I’ve tried to dump all fields for n.Name() 
<https://pkg.go.dev/cmd/compile/internal/ir#Name> but still cannot see 
“itoa.go…”. 

Any thoughts on how to get this substring or what's the actual step of 
converting `n.Name()` into the output string?

Thanks in advance!

Best,

Chris

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