[PATCH] D56321: [HIP][DRIVER][OFFLOAD] Do not unbundle unsupported file types

[Aaron Enye Shi via Phabricator via cfe-commits]

ashi1 created this revision.
ashi1 added a reviewer: yaxunl.
Herald added a subscriber: cfe-commits.

The offload bundler action should not unbundle the input file types that does not match the action type. This fixes an issue where .so files are unbundled when the action type is object files.


Repository:
  rC Clang

https://reviews.llvm.org/D56321

Files:
  lib/Driver/Driver.cpp
  test/Driver/hip-offload.hip


Index: test/Driver/hip-offload.hip
===================================================================
--- test/Driver/hip-offload.hip
+++ test/Driver/hip-offload.hip
@@ -0,0 +1,11 @@
+// RUN: touch %t.o
+// RUN: %clang --hip-link -ccc-print-bindings -target x86_64-linux-gnu \
+// RUN:   --cuda-gpu-arch=gfx803 --cuda-gpu-arch=gfx900 %t.o %S/Inputs/in.so \
+// RUN: 2>&1 | FileCheck %s
+
+// CHECK: # "amdgcn-amd-amdhsa" - "offload bundler", inputs: ["[[IN:.*o]]"], outputs: ["[[OBJ1:.*o]]", "[[OBJ2:.*o]]", "[[OBJ3:.*o]]"]
+// CHECK: # "amdgcn-amd-amdhsa" - "AMDGCN::Linker", inputs: ["[[OBJ2]]"], output: "[[IMG2:.*out]]"
+// CHECK-NOT: offload bundler
+// CHECK: # "amdgcn-amd-amdhsa" - "AMDGCN::Linker", inputs: ["[[OBJ3]]"], output: "[[IMG3:.*out]]"
+// CHECK-NOT: offload bundler
+// CHECK: # "x86_64-unknown-linux-gnu" - "GNU::Linker", inputs: ["[[OBJ1]]", "{{.*}}/Inputs/in.so", "[[IMG2]]", "[[IMG3]]"], output: "a.out"
Index: lib/Driver/Driver.cpp
===================================================================
--- lib/Driver/Driver.cpp
+++ lib/Driver/Driver.cpp
@@ -2323,6 +2323,18 @@
       // If this is an unbundling action use it as is for each CUDA toolchain.
       if (auto *UA = dyn_cast<OffloadUnbundlingJobAction>(HostAction)) {
         CudaDeviceActions.clear();
+        auto *IA = cast<InputAction>(UA->getInputs().back());
+        std::string FileName = IA->getInputArg().getAsString(Args);
+        // Check if the type of the file is the same as the action. Do not
+        // unbundle it if it is not. Do not unbundle .so files, for example,
+        // which are not object files.
+        if (IA->getType() == types::TY_Object &&
+            (!llvm::sys::path::has_extension(FileName) ||
+             types::lookupTypeForExtension(
+                 llvm::sys::path::extension(FileName).drop_front()) !=
+                 types::TY_Object))
+          return ABRT_Inactive;
+
         for (auto Arch : GpuArchList) {
           CudaDeviceActions.push_back(UA);
           UA->registerDependentActionInfo(ToolChains[0], CudaArchToString(Arch),


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