[PATCH] D104118: [OpenCL] Use DW_LANG_OpenCL language tag for OpenCL C

[Stuart Brady via Phabricator via cfe-commits]

stuart updated this revision to Diff 353988.
stuart added a comment.

Added handling of `-gstrict-dwarf` and updated tests accordingly.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104118/new/

https://reviews.llvm.org/D104118

Files:
  clang/lib/CodeGen/CGDebugInfo.cpp
  clang/test/CodeGenOpenCL/debug-info-programming-language.cl


Index: clang/test/CodeGenOpenCL/debug-info-programming-language.cl
===================================================================
--- /dev/null
+++ clang/test/CodeGenOpenCL/debug-info-programming-language.cl
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -dwarf-version=5 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN:   -x cl -O0 -disable-llvm-passes -debug-info-kind=limited \
+// RUN:   | FileCheck --check-prefix=CHECK-OPENCL %s
+// RUN: %clang_cc1 -dwarf-version=3 -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN:   -x cl -O0 -disable-llvm-passes -debug-info-kind=limited \
+// RUN:   | FileCheck --check-prefix=CHECK-OPENCL %s
+// RUN: %clang_cc1 -dwarf-version=3 -gstrict-dwarf -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN:   -x cl -O0 -disable-llvm-passes -debug-info-kind=limited \
+// RUN:   | FileCheck --check-prefix=CHECK-C99 %s
+// RUN: %clang_cc1 -dwarf-version=5 -gstrict-dwarf -emit-llvm -triple %itanium_abi_triple %s -o - \
+// RUN:   -x cl -O0 -disable-llvm-passes -debug-info-kind=limited \
+// RUN:   | FileCheck --check-prefix=CHECK-OPENCL %s
+
+kernel void empty() {}
+
+// CHECK-OPENCL: distinct !DICompileUnit(language: DW_LANG_OpenCL,
+// CHECK-C99: distinct !DICompileUnit(language: DW_LANG_C99,
Index: clang/lib/CodeGen/CGDebugInfo.cpp
===================================================================
--- clang/lib/CodeGen/CGDebugInfo.cpp
+++ clang/lib/CodeGen/CGDebugInfo.cpp
@@ -578,6 +578,9 @@
       LangTag = llvm::dwarf::DW_LANG_C_plus_plus;
   } else if (LO.ObjC) {
     LangTag = llvm::dwarf::DW_LANG_ObjC;
+  } else if (LO.OpenCL && (!CGM.getCodeGenOpts().DebugStrictDwarf ||
+                           CGM.getCodeGenOpts().DwarfVersion >= 5)) {
+    LangTag = llvm::dwarf::DW_LANG_OpenCL;
   } else if (LO.RenderScript) {
     LangTag = llvm::dwarf::DW_LANG_GOOGLE_RenderScript;
   } else if (LO.C99) {


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