[PATCH] D87282: [SYCL] Assume SYCL device functions are convergent

[Alexey Bader via Phabricator via cfe-commits]

bader updated this revision to Diff 294931.
bader added a comment.

Applied Ronan's suggestion.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87282/new/

https://reviews.llvm.org/D87282

Files:
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/CodeGenSYCL/convergent.cpp


Index: clang/test/CodeGenSYCL/convergent.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGenSYCL/convergent.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -fsycl -fsycl-is-device -emit-llvm -disable-llvm-passes \
+// RUN:  -triple spir64-unknown-unknown-sycldevice -emit-llvm %s -o - | \
+// RUN:   FileCheck %s
+
+// CHECK-DAG: Function Attrs:
+// CHECK-DAG-SAME: convergent
+// CHECK-DAG-NEXT: define void @_Z3foov
+void foo() {
+  int a = 1;
+}
+
+template <typename Name, typename Func>
+__attribute__((sycl_kernel)) void kernel_single_task(const Func &kernelFunc) {
+  kernelFunc();
+}
+
+int main() {
+  kernel_single_task<class fake_kernel>([] { foo(); });
+  return 0;
+}
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -2882,7 +2882,8 @@
   Opts.Coroutines = Opts.CPlusPlus20 || Args.hasArg(OPT_fcoroutines_ts);
 
   Opts.ConvergentFunctions = Opts.OpenCL || (Opts.CUDA && Opts.CUDAIsDevice) ||
-    Args.hasArg(OPT_fconvergent_functions);
+                             Opts.SYCLIsDevice ||
+                             Args.hasArg(OPT_fconvergent_functions);
 
   Opts.DoubleSquareBracketAttributes =
       Args.hasFlag(OPT_fdouble_square_bracket_attributes,


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