P4 to Git Change 1092096 by yaxunl@yaxunl_stg_win50 on 2014/10/29 22:49:51

EPR #408439 - Add heuristics for setting SC register allocation strategy.

Affected files ...

... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/gpu/amdil_be.cpp#40 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/gpu/scwrapper/SI/scCompileSI.cpp#47 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/gpu/scwrapper/SI/scCompileSI.h#18 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/gpu/scwrapper/SI/scStateSI.cpp#26 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/gpu/scwrapper/scState.cpp#33 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/utils/OPTIONS.def#120 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/utils/amdilUtils.cpp#2 edit
... //depot/stg/opencl/drivers/opencl/compiler/lib/utils/amdilUtils.hpp#2 edit
... //depot/stg/opencl/drivers/opencl/compiler/llvm/include/llvm/InitializePasses.h#73 edit
... //depot/stg/opencl/drivers/opencl/compiler/llvm/include/llvm/Transforms/IPO.h#29 edit
... //depot/stg/opencl/drivers/opencl/compiler/llvm/include/llvm/Transforms/IPO/AMDKernelPerfHint.h#1 add
... //depot/stg/opencl/drivers/opencl/compiler/llvm/lib/Target/AMDIL/AMDILKernelManager.cpp#453 edit
... //depot/stg/opencl/drivers/opencl/compiler/llvm/lib/Transforms/IPO/AMDKernelPerfHint.cpp#1 add
... //depot/stg/opencl/drivers/opencl/compiler/llvm/lib/Transforms/IPO/AMDPassManagerBuilder.cpp#46 edit

rocclr/compiler/lib/utils/amdilUtils.cpp

@@ -12,3 +12,15 @@ void amdilUtils::changePrivateUAVLength(std::string& kernel, unsigned length) {
       ")_access(private)";
   kernel = std::regex_replace(kernel, pattern, ss.str());
 }
+
+bool amdilUtils::isKernelMemoryBound(const std::string& kernel) {
+  std::istringstream is(kernel);
+  std::regex pattern("\\s*;\\s*membound\\s*:\\s*1\\s*");
+  while (is) {
+    std::string line;
+    is >> line;
+    if (std::regex_match(line, pattern))
+      return true;
+  }
+  return false;
+}