[PATCH] D48493: [HIP] Support flush denorms bitcode

[Aaron Enye Shi via Phabricator via cfe-commits]

ashi1 created this revision.
ashi1 added a reviewer: yaxunl.
ashi1 added projects: clang, AMDGPU.
Herald added a subscriber: cfe-commits.

We need to use oclc_daz_opt_on.amdgcn.bc bitcode when option 
fcuda-flush-denormal-to-zero is enabled for HIP.


Repository:
  rC Clang

https://reviews.llvm.org/D48493

Files:
  lib/Driver/ToolChains/HIP.cpp


Index: lib/Driver/ToolChains/HIP.cpp
===================================================================
--- lib/Driver/ToolChains/HIP.cpp
+++ lib/Driver/ToolChains/HIP.cpp
@@ -75,10 +75,16 @@
     std::string ISAVerBC =
         "oclc_isa_version_" + SubArchName.drop_front(3).str() + ".amdgcn.bc";

+    std::string OCLC_daz_opt;
+    if (Args.hasArg(options::OPT_fcuda_flush_denormals_to_zero))
+      OCLC_daz_opt = "oclc_daz_opt_on.amdgcn.bc";
+    else
+      OCLC_daz_opt = "oclc_daz_opt_off.amdgcn.bc";
+
     BCLibs.append({"opencl.amdgcn.bc",
                    "ockl.amdgcn.bc", "irif.amdgcn.bc", "ocml.amdgcn.bc",
                    "oclc_finite_only_off.amdgcn.bc",
-                   "oclc_daz_opt_off.amdgcn.bc",
+                   OCLC_daz_opt,
                    "oclc_correctly_rounded_sqrt_on.amdgcn.bc",
                    "oclc_unsafe_math_off.amdgcn.bc", ISAVerBC});
   }



Index: lib/Driver/ToolChains/HIP.cpp
===================================================================
--- lib/Driver/ToolChains/HIP.cpp
+++ lib/Driver/ToolChains/HIP.cpp
@@ -75,10 +75,16 @@
     std::string ISAVerBC =
         "oclc_isa_version_" + SubArchName.drop_front(3).str() + ".amdgcn.bc";

+    std::string OCLC_daz_opt;
+    if (Args.hasArg(options::OPT_fcuda_flush_denormals_to_zero))
+      OCLC_daz_opt = "oclc_daz_opt_on.amdgcn.bc";
+    else
+      OCLC_daz_opt = "oclc_daz_opt_off.amdgcn.bc";
+
     BCLibs.append({"opencl.amdgcn.bc",
                    "ockl.amdgcn.bc", "irif.amdgcn.bc", "ocml.amdgcn.bc",
                    "oclc_finite_only_off.amdgcn.bc",
-                   "oclc_daz_opt_off.amdgcn.bc",
+                   OCLC_daz_opt,
                    "oclc_correctly_rounded_sqrt_on.amdgcn.bc",
                    "oclc_unsafe_math_off.amdgcn.bc", ISAVerBC});
   }

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