Author: Joseph Huber
Date: 2021-01-06T13:43:22-05:00
New Revision: 1ca5e68aa07e30567c6aa2409c5641e0a2d77355

URL: 
https://github.com/llvm/llvm-project/commit/1ca5e68aa07e30567c6aa2409c5641e0a2d77355
DIFF: 
https://github.com/llvm/llvm-project/commit/1ca5e68aa07e30567c6aa2409c5641e0a2d77355.diff

LOG: [NVPTX] Fix debugging information being added to NVPTX target if remarks 
are enabled
Summary:
Optimized debugging is not supported by ptxas. Debugging information is 
degraded to line information only if optimizations are enabled, but debugging 
information would be added back in by the driver if remarks were enabled. This 
solves https://bugs.llvm.org/show_bug.cgi?id=48153.

Reviewers: jdoerfert tra jholewinski serge-sans-paille

Differential Revision: https://reviews.llvm.org/D94123

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/Clang.cpp
    clang/lib/Driver/ToolChains/Cuda.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Clang.cpp 
b/clang/lib/Driver/ToolChains/Clang.cpp
index 917601836c0a..a462758bf1c2 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3940,14 +3940,14 @@ static void RenderDebugOptions(const ToolChain &TC, 
const Driver &D,
     CmdArgs.push_back("-gno-inline-line-tables");
   }
 
-  // Adjust the debug info kind for the given toolchain.
-  TC.adjustDebugInfoKind(DebugInfoKind, Args);
-
   // When emitting remarks, we need at least debug lines in the output.
   if (willEmitRemarks(Args) &&
       DebugInfoKind <= codegenoptions::DebugDirectivesOnly)
     DebugInfoKind = codegenoptions::DebugLineTablesOnly;
 
+  // Adjust the debug info kind for the given toolchain.
+  TC.adjustDebugInfoKind(DebugInfoKind, Args);
+
   RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, EffectiveDWARFVersion,
                           DebuggerTuning);
 

diff  --git a/clang/lib/Driver/ToolChains/Cuda.cpp 
b/clang/lib/Driver/ToolChains/Cuda.cpp
index 58178d5d11bc..95fd5a1fbfee 100644
--- a/clang/lib/Driver/ToolChains/Cuda.cpp
+++ b/clang/lib/Driver/ToolChains/Cuda.cpp
@@ -384,7 +384,7 @@ static DeviceDebugInfoLevel mustEmitDebugInfo(const ArgList 
&Args) {
     }
     return IsDebugEnabled ? EmitSameDebugInfoAsHost : DebugDirectivesOnly;
   }
-  return DisableDebugInfo;
+  return willEmitRemarks(Args) ? DebugDirectivesOnly : DisableDebugInfo;
 }
 
 void NVPTX::Assembler::ConstructJob(Compilation &C, const JobAction &JA,


        
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