[PATCH] D142246: [HIP] Change default offload arch to gfx906

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added a reviewer: tra.
Herald added a project: All.
yaxunl requested review of this revision.
Herald added a subscriber: MaskRay.

Change default offload arch to gfx906 since
it is the lowest officially supported offload
arch (https://docs.amd.com/bundle/ROCm-Release-Notes-v5.4/page/About_This_Document.html#d2e131).


https://reviews.llvm.org/D142246

Files:
  clang/lib/Driver/Driver.cpp
  clang/test/Driver/hip-default-gpu-arch.hip


Index: clang/test/Driver/hip-default-gpu-arch.hip
===================================================================
--- clang/test/Driver/hip-default-gpu-arch.hip
+++ clang/test/Driver/hip-default-gpu-arch.hip
@@ -3,4 +3,4 @@
 
 // RUN: %clang -### -c %s 2>&1 | FileCheck %s
 
-// CHECK: {{.*}}clang{{.*}}"-target-cpu" "gfx803"
+// CHECK: {{.*}}clang{{.*}}"-target-cpu" "gfx906"
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -3303,7 +3303,7 @@
     HIPActionBuilder(Compilation &C, DerivedArgList &Args,
                      const Driver::InputList &Inputs)
         : CudaActionBuilderBase(C, Args, Inputs, Action::OFK_HIP) {
-      DefaultCudaArch = CudaArch::GFX803;
+      DefaultCudaArch = CudaArch::GFX906;
       if (Args.hasArg(options::OPT_gpu_bundle_output,
                       options::OPT_no_gpu_bundle_output))
         BundleOutput = Args.hasFlag(options::OPT_gpu_bundle_output,


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