[llvm] r258637 - [CUDA] Make empty parameter lists in nvptx function decls easier to read.

[Justin Lebar via llvm-commits]

Author: jlebar
Date: Sat Jan 23 15:12:17 2016
New Revision: 258637

URL: http://llvm.org/viewvc/llvm-project?rev=258637&view=rev
Log:
[CUDA] Make empty parameter lists in nvptx function decls easier to read.

Summary:
Before:

  .func  (.param .b32 func_retval0) _ZL21__nvvm_reflect_anchorv(

  )
  {

After:

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

Reviewers: bkramer

Subscribers: llvm-commits, tra, jhen, echristo, jholewinski

Differential Revision: http://reviews.llvm.org/D16512

Modified:
    llvm/trunk/lib/Target/NVPTX/NVPTXAsmPrinter.cpp

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXAsmPrinter.cpp?rev=258637&r1=258636&r2=258637&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXAsmPrinter.cpp Sat Jan 23 15:12:17 2016
@@ -1428,6 +1428,11 @@ void NVPTXAsmPrinter::emitFunctionParamL
   bool isABI = (nvptxSubtarget->getSmVersion() >= 20);
   MVT thePointerTy = TLI->getPointerTy(DL);
 
+  if (F->arg_empty()) {
+    O << "()\n";
+    return;
+  }
+
   O << "(\n";
 
   for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, paramIndex++) {