[NVPTX][DEBUGINFO]Temp workaround for crash of ptxas: disable packed bytes in debug sections.

Summary:
This patch works around the bug in the ptxas tool with the processing of bytes
separated by the comma symbol. The emission of the packed string is
temporarily disabled.

Reviewers: tra

Subscribers: jholewinski, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59148

llvm-svn: 355740

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXTargetStreamer.cpp b/llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXTargetStreamer.cpp
index 94959a5078c..17f5ba7d900 100644
--- a/llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXTargetStreamer.cpp
+++ b/llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXTargetStreamer.cpp
@@ -102,6 +102,11 @@ void NVPTXTargetStreamer::changeSection(const MCSection *CurSection,
 }
 
 void NVPTXTargetStreamer::emitRawBytes(StringRef Data) {
+  MCTargetStreamer::emitRawBytes(Data);
+  // TODO: enable this once the bug in the ptxas with the packed bytes is
+  // resolved. Currently, (it is confirmed by NVidia) it causes a crash in
+  // ptxas.
+#if 0
   const MCAsmInfo *MAI = Streamer.getContext().getAsmInfo();
   const char *Directive = MAI->getData8bitsDirective();
   unsigned NumElements = Data.size();
@@ -125,5 +130,6 @@ void NVPTXTargetStreamer::emitRawBytes(StringRef Data) {
     }
     Streamer.EmitRawText(OS.str());
   }
+#endif
 }