[clang] [clang][Driver] Support for the SPIR-V backend in the new driver when compiling HIP (PR #167543)

[Manuel Carrasco via cfe-commits]

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@@ -5236,6 +5268,22 @@ Action *Driver::ConstructPhaseAction(
               : types::TY_LLVM_BC;
       return C.MakeAction<BackendJobAction>(Input, Output);
     }
+
+    // The SPIRV backend compilation path for HIP must avoid external
+    // dependencies. The default compilation path assembles and links its
+    // output, but the SPIRV assembler and linker are external tools. This code
+    // ensures the backend emits binary SPIRV directly to bypass those steps and
+    // avoid failures. Without -save-temps, the compiler may already skip
+    // assembling and linking. With -save-temps, these steps must be explicitly
+    // disabled, as done here. We also force skipping these steps regardless of
+    // -save-temps to avoid relying on optimizations (unless -S is set).
+    bool IsBinarySPIRVOutput =
+        UseSPIRVBackendForHipDeviceOnlyNoRDC && !Args.hasArg(options::OPT_S);
+    if (IsBinarySPIRVOutput) {
+      // The current HIP bundling expects the type to be types::TY_Image
+      return C.MakeAction<BackendJobAction>(Input, types::TY_Image);
+    }
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mgcarrasco wrote:

Solved, thanks.

https://github.com/llvm/llvm-project/pull/167543