[clang] [HLSL] Enable -fconvergent-functions by default (PR #86571)

[via cfe-commits]

https://github.com/aniplcc created https://github.com/llvm/llvm-project/pull/86571

Fixes  #86506 

>From c22f63359b7391e9f69d74e5d4f4bdf6cf585c2c Mon Sep 17 00:00:00 2001
From: aniplcc <aniplccode at gmail.com>
Date: Tue, 26 Mar 2024 01:35:36 +0530
Subject: [PATCH] [HLSL] Enable -fconvergent-functions by default

---
 clang/lib/Frontend/CompilerInvocation.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 7bd91d4791ecf0..30638a9999ca1d 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3516,7 +3516,8 @@ void CompilerInvocationBase::GenerateLangArgs(const LangOptions &Opts,
     GenerateArg(Consumer, OPT_fblocks);
 
   if (Opts.ConvergentFunctions &&
-      !(Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) || Opts.SYCLIsDevice))
+      !(Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) || Opts.SYCLIsDevice ||
+        Opts.HLSL))
     GenerateArg(Consumer, OPT_fconvergent_functions);
 
   if (Opts.NoBuiltin && !Opts.Freestanding)
@@ -3914,7 +3915,7 @@ bool CompilerInvocation::ParseLangArgs(LangOptions &Opts, ArgList &Args,
 
   Opts.ConvergentFunctions = Args.hasArg(OPT_fconvergent_functions) ||
                              Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) ||
-                             Opts.SYCLIsDevice;
+                             Opts.SYCLIsDevice || Opts.HLSL;
 
   Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
   if (!Opts.NoBuiltin)