================
@@ -0,0 +1,42 @@
+// Tests the clang-sycl-linker tool.
+//
+// Test a simple case without arguments.
+// RUN: %clangxx -fsycl -emit-llvm -c %s -o %t.bc
+// RUN: clang-sycl-linker --dry-run -triple spirv64 %t.bc -o a.spv 2>&1 \
+// RUN: | FileCheck %s --check-prefix=SIMPLE
+// SIMPLE: "{{.*}}llvm-link{{.*}}" {{.*}}.bc -o [[FIRSTLLVMLINKOUT:.*]].bc
--suppress-warnings
+// SIMPLE-NEXT: "{{.*}}llvm-spirv{{.*}}" {{.*}}-o a.spv [[FIRSTLLVMLINKOUT]].bc
+//
+// Test a simple case with device library files specified.
+// RUN: echo ' ' > %T/lib1.bc
+// RUN: echo ' ' > %T/lib2.bc
+// RUN: clang-sycl-linker --dry-run -triple spirv64 %t.bc --library-path=%T
--device-libs=lib1.bc,lib2.bc -o a.spv 2>&1 \
+// RUN: | FileCheck %s --check-prefix=DEVLIBS
+// DEVLIBS: "{{.*}}llvm-link{{.*}}" {{.*}}.bc -o [[FIRSTLLVMLINKOUT:.*]].bc
--suppress-warnings
+// DEVLIBS-NEXT: "{{.*}}llvm-link{{.*}}" -only-needed [[FIRSTLLVMLINKOUT]].bc
{{.*}}lib1.bc {{.*}}lib2.bc -o [[SECONDLLVMLINKOUT:.*]].bc --suppress-warnings
+// DEVLIBS-NEXT: "{{.*}}llvm-spirv{{.*}}" {{.*}}-o a.spv
[[SECONDLLVMLINKOUT]].bc
+//
+// Test a simple case with .o (fat object) as input.
+// TODO: Remove this test once fat object support is added.
----------------
bader wrote:
Is `clang-sycl-linker` supposed to support fat objects? According to my
understanding, this tool links the device code only. Some other tool (e.g.
`clang-linker-wrapper`) is supposed to extract device code from fat objects and
invoke `clang-sycl-linker` tool to link the device code. I think this tool is
supposed to handle object files, but only 'lean'. @jhuber6, did I get it right?
https://github.com/llvm/llvm-project/pull/112245
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