================
@@ -0,0 +1,51 @@
+; Tests the clang-sycl-linker tool: device code splitting.
+;
+; REQUIRES: spirv-registered-target
+;
+; RUN: llvm-as %s -o %t.bc
+;
+; Test that an invalid split mode is rejected.
+; RUN: not clang-sycl-linker --dry-run -triple=spirv64
--module-split-mode=bogus %t.bc -o a.out 2>&1 \
+; RUN: | FileCheck %s --check-prefix=SPLIT-INVALID
+; SPLIT-INVALID: module-split-mode value isn't recognized: bogus
+;
+; Test the split mode ("none"): no extra splits are produced.
+; RUN: clang-sycl-linker --dry-run -v -triple=spirv64 --module-split-mode=none
%t.bc -o %t-none.out 2>&1 \
+; RUN: | FileCheck %s --check-prefix=SPLIT-NONE
+; SPLIT-NONE: sycl-device-link: inputs: {{.*}}.bc libfiles: output:
[[LLVMLINKOUT:.*]].bc
+; SPLIT-NONE-NEXT: sycl-module-split: input: [[LLVMLINKOUT]].bc, output:
[[LLVMLINKOUT]].bc, mode: none
+; SPLIT-NONE-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output:
{{.*}}_0.spv
+; SPLIT-NONE-NOT: LLVM backend: input: {{.*}}.bc, output: {{.*}}_1.spv
+;
+; Test per-kernel split: a module with two SPIR_KERNEL functions produces two
+; device images.
+; RUN: clang-sycl-linker --dry-run -v -triple=spirv64
--module-split-mode=kernel %t.bc -o %t-split-kernel.out 2>&1 \
+; RUN: | FileCheck %s --check-prefix=SPLIT-KERNEL
+; SPLIT-KERNEL: sycl-device-link: inputs: {{.*}}.bc libfiles: output:
[[LLVMLINKOUT:.*]].bc
+; SPLIT-KERNEL-NEXT: sycl-module-split: input: [[LLVMLINKOUT]].bc, output:
[[SPLIT0:.*]].bc, [[SPLIT1:.*]].bc, mode: kernel
+; SPLIT-KERNEL-NEXT: LLVM backend: input: [[SPLIT0]].bc, output: {{.*}}_0.spv
+; SPLIT-KERNEL-NEXT: LLVM backend: input: [[SPLIT1]].bc, output: {{.*}}_1.spv
----------------
YuriPlyakhin wrote:
same comment.
https://github.com/llvm/llvm-project/pull/197566
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