P4 to Git Change 1174141 by vpykhtin@vpykhtin-HSA on 2015/07/27 08:36:29

ECR #333753 - HSA HLC: --denorms-f32-are-zero flag support

	Testing: smoke, presubmit

	Reviewed by Brian Sumner, Evgeny Mankov

Affected files ...

... //depot/stg/opencl/drivers/opencl/compiler/lib/backends/common/linker.cpp#127 edit
... //depot/stg/opencl/drivers/opencl/compiler/llvm/lib/Target/HSAIL/BRIGAsmPrinter.cpp#119 edit
... //depot/stg/opencl/drivers/opencl/tests/hsa/src/llc/opt/intrinsics/flush-denorms.cl#1 add
... //depot/stg/opencl/drivers/opencl/tests/hsa/tlst/llc_opt.tlst#38 edit

rocclr/compiler/lib/backends/common/linker.cpp

@@ -111,6 +111,10 @@
 #endif
 #define DEBUG_TYPE "ocl_linker"
 
+#if !defined(LEGACY_COMPLIB)
+extern bool HLC_FlushF32Denorms;
+#endif
+
 namespace AMDSpir {
   extern void replaceTrivialFunc(llvm::Module& M);
 }
@@ -641,6 +645,11 @@ amdcl::OCLLinker::link(llvm::Module* input, std::vector<llvm::Module*> &libs)
   setFP32RoundDivideSqrt(Options()->oVariables->FP32RoundDivideSqrt);
   setUseNative(Options()->oVariables->OptUseNative);
   setDenormsAreZero(Options()->oVariables->DenormsAreZero);
+#if !defined(LEGACY_COMPLIB)
+  // TODO: Enable the following line to pass DenormsAreZero option to the HLC
+  // when ready
+  // HLC_FlushF32Denorms = Options()->oVariables->DenormsAreZero;
+#endif
   setUniformWorkGroupSize(Options()->oVariables->UniformWorkGroupSize);
   setHaveFastFMA32(chip == "Cypress"
                 || chip == "Cayman"