[PATCH] D16512: [CUDA] Make empty parameter lists in nvptx function decls easier to read.

[Justin Lebar via llvm-commits]

jlebar created this revision.
jlebar added a reviewer: tra.
jlebar added subscribers: echristo, jhen, llvm-commits.
Herald added a subscriber: jholewinski.

Before:

  .func  (.param .b32 func_retval0) _ZL21__nvvm_reflect_anchorv(

  )
  {

After:

  .func  (.param .b32 func_retval0) _ZL21__nvvm_reflect_anchorv()
  {

http://reviews.llvm.org/D16512

Files:
  lib/Target/NVPTX/NVPTXAsmPrinter.cpp

Index: lib/Target/NVPTX/NVPTXAsmPrinter.cpp
===================================================================
--- lib/Target/NVPTX/NVPTXAsmPrinter.cpp
+++ lib/Target/NVPTX/NVPTXAsmPrinter.cpp
@@ -1436,6 +1436,11 @@
   bool isABI = (nvptxSubtarget->getSmVersion() >= 20);
   MVT thePointerTy = TLI->getPointerTy(DL);
 
+  if (!F->arg_size()) {
+    O << "()\n";
+    return;
+  }
+
   O << "(\n";
 
   for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, paramIndex++) {


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