Revert "[SYCL][FPGA] Restore legacy debug info version for the hardware (#3991)" (#4562)

The underlying backend is now prepared to accept the ocl-100 version.

This reverts commit 33bc8ad.

Author: Artem Gindinson

clang/lib/Driver/ToolChains/Clang.cpp

@@ -8718,11 +8718,7 @@ void SPIRVTranslator::ConstructJob(Compilation &C, const JobAction &JA,
   TranslatorArgs.push_back(Output.getFilename());
   if (JA.isDeviceOffloading(Action::OFK_SYCL)) {
     TranslatorArgs.push_back("-spirv-max-version=1.4");
-    // TODO: align debug info for FPGA H/W when its SPIR-V consumer is ready
-    if (C.getDriver().isFPGAEmulationMode())
-      TranslatorArgs.push_back("-spirv-debug-info-version=ocl-100");
-    else
-      TranslatorArgs.push_back("-spirv-debug-info-version=legacy");
+    TranslatorArgs.push_back("-spirv-debug-info-version=ocl-100");
     // Prevent crash in the translator if input IR contains DIExpression
     // operations which don't have mapping to OpenCL.DebugInfo.100 spec.
     TranslatorArgs.push_back("-spirv-allow-extra-diexpressions");

clang/lib/Driver/ToolChains/SYCL.cpp

@@ -66,10 +66,7 @@ const char *SYCL::Linker::constructLLVMSpirvCommand(
   } else {
     CmdArgs.push_back("-spirv-max-version=1.4");
     CmdArgs.push_back("-spirv-ext=+all");
-    if (!C.getDriver().isFPGAEmulationMode())
-      CmdArgs.push_back("-spirv-debug-info-version=legacy");
-    else
-      CmdArgs.push_back("-spirv-debug-info-version=ocl-100");
+    CmdArgs.push_back("-spirv-debug-info-version=ocl-100");
     CmdArgs.push_back("-spirv-allow-extra-diexpressions");
     CmdArgs.push_back("-spirv-allow-unknown-intrinsics=llvm.genx.");
     CmdArgs.push_back("-o");

clang/test/Driver/sycl-offload.c

@@ -704,8 +704,7 @@
 // CHK-TOOLS-AOT: file-table-tform{{.*}} "-extract=Code" "-drop_titles" "-o" "[[OUTPUT2_1:.+\.txt]]" "[[OUTPUT2_T]]"
 // CHK-TOOLS-CPU: llvm-spirv{{.*}} "-o" "[[OUTPUT3_T:.+\.txt]]" "-spirv-max-version=1.4" "-spirv-debug-info-version=ocl-100" "-spirv-allow-extra-diexpressions" "-spirv-allow-unknown-intrinsics=llvm.genx." {{.*}} "[[OUTPUT2_1]]"
 // CHK-TOOLS-GEN: llvm-spirv{{.*}} "-o" "[[OUTPUT3_T:.+\.txt]]" "-spirv-max-version=1.4" "-spirv-debug-info-version=ocl-100" "-spirv-allow-extra-diexpressions" "-spirv-allow-unknown-intrinsics=llvm.genx." {{.*}} "[[OUTPUT2_1]]"
-// CHK-TOOLS-FPGA-HW: llvm-spirv{{.*}} "-o" "[[OUTPUT3_T:.+\.txt]]" "-spirv-max-version=1.4" "-spirv-debug-info-version=legacy" "-spirv-allow-extra-diexpressions" "-spirv-allow-unknown-intrinsics=llvm.genx." {{.*}} "[[OUTPUT2_1]]"
-// CHK-TOOLS-FPGA-EMU: llvm-spirv{{.*}} "-o" "[[OUTPUT3_T:.+\.txt]]" "-spirv-max-version=1.4" "-spirv-debug-info-version=ocl-100" "-spirv-allow-extra-diexpressions" "-spirv-allow-unknown-intrinsics=llvm.genx." {{.*}} "[[OUTPUT2_1]]"
+// CHK-TOOLS-FPGA: llvm-spirv{{.*}} "-o" "[[OUTPUT3_T:.+\.txt]]" "-spirv-max-version=1.4" "-spirv-debug-info-version=ocl-100" "-spirv-allow-extra-diexpressions" "-spirv-allow-unknown-intrinsics=llvm.genx." {{.*}} "[[OUTPUT2_1]]"
 // CHK-TOOLS-FPGA-HW: aoc{{.*}} "-o" "[[OUTPUT4_T:.+\.aocx]]" "[[OUTPUT3_T]]"
 // CHK-TOOLS-FPGA-EMU: opencl-aot{{.*}} "-spv=[[OUTPUT3_T]]" "-ir=[[OUTPUT4_T:.+\.aocx]]"
 // CHK-TOOLS-GEN: ocloc{{.*}} "-output" "[[OUTPUT4_T:.+\.out]]" {{.*}} "[[OUTPUT3_T]]"