derek.holloway
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86 lines
3.7 KiB
LLVM
86 lines
3.7 KiB
LLVM
; Tests the clang-sycl-linker tool: device code splitting.
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;
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; REQUIRES: spirv-registered-target
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;
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; RUN: llvm-as %s -o %t.bc
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;
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; Test that an invalid split mode is rejected.
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; RUN: not clang-sycl-linker --dry-run --module-split-mode=bogus %t.bc -o a.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SPLIT-INVALID
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; SPLIT-INVALID: module-split-mode value isn't recognized: bogus
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;
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; Test the split mode ("none"): kernels from different TUs are not split into separate images.
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t.bc -o %t-none.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SPLIT-NONE
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; SPLIT-NONE: link: inputs: {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; SPLIT-NONE-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output: {{.*}}_0.spv
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; SPLIT-NONE-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-NONE-NOT: {{.+}}
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;
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; Test the split mode ("kernel"): each SPIR_KERNEL function produces its own device image.
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=kernel %t.bc -o %t-split-kernel.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SPLIT-KERNEL
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; SPLIT-KERNEL: link: inputs: {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; SPLIT-KERNEL-NEXT: sycl-module-split: input: [[LLVMLINKOUT]].bc, mode: kernel
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; SPLIT-KERNEL-NEXT: [[SPLIT0:.*]].bc [kernel_c ]
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; SPLIT-KERNEL-NEXT: [[SPLIT1:.*]].bc [kernel_b ]
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; SPLIT-KERNEL-NEXT: [[SPLIT2:.*]].bc [kernel_a ]
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; SPLIT-KERNEL-NEXT: LLVM backend: input: [[SPLIT0]].bc, output: {{.*}}_0.spv
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; SPLIT-KERNEL-NEXT: LLVM backend: input: [[SPLIT1]].bc, output: {{.*}}_1.spv
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; SPLIT-KERNEL-NEXT: LLVM backend: input: [[SPLIT2]].bc, output: {{.*}}_2.spv
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; SPLIT-KERNEL-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-KERNEL-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-KERNEL-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-KERNEL-NOT: {{.+}}
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;
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; Test default split mode ('source'): no --module-split-mode flag needed.
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; Two kernels with different sycl-module-id values produce two device images.
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; sycl_external function is not treated as entry point and doesn't produce a separate image
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; despite having a different sycl-module-id.
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; RUN: clang-sycl-linker --dry-run -v %t.bc -o %t-src.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SPLIT-SRC
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;
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; Test per-TU split ('source' explicitly provided)
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=source %t.bc -o %t-src.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SPLIT-SRC
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; SPLIT-SRC: link: inputs: {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; SPLIT-SRC-NEXT: sycl-module-split: input: [[LLVMLINKOUT]].bc, mode: source
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; SPLIT-SRC-NEXT: [[S0:.*]].bc [kernel_b kernel_c ]
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; SPLIT-SRC-NEXT: [[S1:.*]].bc [kernel_a ]
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; SPLIT-SRC-NEXT: LLVM backend: input: [[S0]].bc, output: {{.*}}_0.spv
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; SPLIT-SRC-NEXT: LLVM backend: input: [[S1]].bc, output: {{.*}}_1.spv
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; SPLIT-SRC-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-SRC-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SPLIT-SRC-NOT: {{.+}}
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target datalayout = "e-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-n8:16:32:64-G1"
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target triple = "spirv64"
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define spir_func i32 @helper() {
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ret i32 0
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}
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define spir_kernel void @kernel_a() #0 {
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%r = call spir_func i32 @helper()
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ret void
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}
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define spir_kernel void @kernel_b() #1 {
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%r = call spir_func i32 @helper()
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ret void
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}
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define spir_kernel void @kernel_c() #1 {
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%r = call spir_func i32 @helper()
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ret void
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}
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define spir_func i32 @ext_fn() #2 {
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%r = call spir_func i32 @helper()
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ret i32 0
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}
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attributes #0 = { "sycl-module-id"="TU1.cpp" }
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attributes #1 = { "sycl-module-id"="TU2.cpp" }
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attributes #2 = { "sycl-module-id"="TU3.cpp" }
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