[llvm] [NVPTX] Cleanup/Refactoring in NVPTX AsmPrinter and RegisterInfo (NFC) (PR #126800)

[Artem Belevich via llvm-commits]

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@@ -839,16 +827,14 @@ void NVPTXAsmPrinter::emitGlobalAlias(const Module &M, const GlobalAlias &GA) {
 
 void NVPTXAsmPrinter::emitHeader(Module &M, raw_ostream &O,
                                  const NVPTXSubtarget &STI) {
-  O << "//\n";
-  O << "// Generated by LLVM NVPTX Back-End\n";
-  O << "//\n";
-  O << "\n";
+  const unsigned PTXVersion = STI.getPTXVersion();
 
-  unsigned PTXVersion = STI.getPTXVersion();
-  O << ".version " << (PTXVersion / 10) << "." << (PTXVersion % 10) << "\n";
-
-  O << ".target ";
-  O << STI.getTargetName();
+  O << "//\n"
+       "// Generated by LLVM NVPTX Back-End\n"
+       "//\n"
+       "\n"
+    << ".version " << (PTXVersion / 10) << "." << (PTXVersion % 10) << "\n"
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Artem-B wrote:

I didn't mean using floats -- that was just an example in the format.h. You can use other format specifiers like `%d`.
It uses `snprintf` under the hood.

Here's a better example:
https://github.com/llvm/llvm-project/blob/f719d8ac1ccd08a9e8def796ecb9b1cd517c86af/clang/tools/libclang/CIndex.cpp#L6626-L6631

https://github.com/llvm/llvm-project/pull/126800