derek.holloway
7502bf64a4
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167 lines
8.4 KiB
LLVM
167 lines
8.4 KiB
LLVM
; Tests the clang-sycl-linker tool.
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;
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; REQUIRES: spirv-registered-target
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;
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; RUN: rm -rf %t && split-file %s %t
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; RUN: llvm-as %t/input1.ll -o %t/input1.bc
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; RUN: llvm-as %t/input2.ll -o %t/input2.bc
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;
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; Test --help
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; RUN: clang-sycl-linker --help | FileCheck %s --check-prefix=HELP
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; HELP: OVERVIEW: A utility that wraps around the SYCL device code linking process.
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; HELP: USAGE: clang-sycl-linker [options] <input bitcode files>
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; HELP: OPTIONS:
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;
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; Test --version
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; RUN: clang-sycl-linker --version | FileCheck %s --check-prefix=VERSION
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; VERSION: clang-sycl-linker version
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;
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; Test missing input files
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; RUN: not clang-sycl-linker -o %t.out 2>&1 | FileCheck %s --check-prefix=NO-INPUT
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; NO-INPUT: No input files provided
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;
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; Test non-existent input file
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; RUN: not clang-sycl-linker %t-missing.bc -o %t.out 2>&1 | FileCheck %s --check-prefix=MISSING
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; MISSING: Input file '{{.*}}-missing.bc' does not exist
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;
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; Test the dry run of a simple case to link two input files.
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; Test that IMG_SPIRV image kind is set for non-AOT compilation.
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t/input1.bc %t/input2.bc -o %t/spirv.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=SIMPLE-FO
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; SIMPLE-FO: link: inputs: {{.*}}.bc, {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; SIMPLE-FO-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output: {{.*}}_0.spv
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; SIMPLE-FO-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; SIMPLE-FO-NOT: {{.+}}
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;
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; Test the dry run of a simple case with device library files specified.
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; RUN: mkdir -p %t/libs
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; RUN: touch %t/libs/lib1.bc
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; RUN: touch %t/libs/lib2.bc
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t/input1.bc %t/input2.bc --library-path=%t/libs --bc-library lib1.bc --bc-library lib2.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=DEVLIBS
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; DEVLIBS: link: inputs: {{.*}}.bc libfiles: {{.*}}lib1.bc, {{.*}}lib2.bc output: [[LLVMLINKOUT:.*]].bc
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; DEVLIBS-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output: a_0.spv
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; DEVLIBS-NEXT: sycl-bundle: image kind: spv, triple: spirv64, arch: {{$}}
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; DEVLIBS-NOT: {{.+}}
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;
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; Test -L short form (joined) and --bc-library= joined form.
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t/input1.bc -L%t/libs --bc-library=lib1.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=DEVLIBS-SHORT
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; DEVLIBS-SHORT: link: inputs: {{.*}}.bc libfiles: {{.*}}libs{{[/\\]}}lib1.bc output: {{.*}}.bc
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;
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; Test that search continues past the first -L when the library is not found there. lib1.bc exists only in %t/libs (the second -L).
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; RUN: mkdir -p %t/empty
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t/input1.bc -L %t/empty -L %t/libs --bc-library lib1.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=DEVLIBS-FALLTHROUGH
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; DEVLIBS-FALLTHROUGH: link: inputs: {{.*}}.bc libfiles: {{.*}}libs{{[/\\]}}lib1.bc output: {{.*}}.bc
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;
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; Test that -L paths are searched in order: when the same name exists in multiple -L dirs, the first one wins.
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; RUN: mkdir -p %t/libs2
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; RUN: touch %t/libs/shadow.bc %t/libs2/shadow.bc
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none %t/input1.bc -L %t/libs2 -L %t/libs --bc-library shadow.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=DEVLIBS-ORDER
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; DEVLIBS-ORDER: link: inputs: {{.*}}.bc libfiles: {{.*}}libs2{{[/\\]}}shadow.bc output: {{.*}}.bc
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;
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; Test a simple case with a random file (not bitcode) as input.
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; RUN: touch %t/dummy.o
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; RUN: not clang-sycl-linker %t/dummy.o -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=FILETYPEERROR
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; FILETYPEERROR: Unsupported file type
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;
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; Test to see if device library related errors are emitted.
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; RUN: not clang-sycl-linker --dry-run %t/input1.bc %t/input2.bc --library-path=%t/libs --bc-library lib1.bc --bc-library lib2.bc --bc-library lib3.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=DEVLIBSERR
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; DEVLIBSERR: '{{.*}}lib3.bc' library file not found
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;
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; Test that there is no implicit CWD search: a bare bitcode name without any -L
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; must fail to resolve, even if a same-named file exists in the CWD.
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; RUN: cd %t && not clang-sycl-linker --dry-run input1.bc --bc-library input1.bc -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=NO-CWD-SEARCH
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; NO-CWD-SEARCH: 'input1.bc' library file not found
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;
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; Test that a directory matching the requested name is not accepted as a library:
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; %t/libs is a directory created above; resolving --bc-library libs against -L %t
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; would otherwise pick it up and fail later with a confusing bitcode-reader error.
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; RUN: not clang-sycl-linker --dry-run %t/input1.bc -L %t --bc-library libs -o a.spv 2>&1 \
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; RUN: | FileCheck %s --check-prefix=NO-DIR-AS-LIB
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; NO-DIR-AS-LIB: 'libs' library file not found
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;
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; Test AOT compilation for an Intel GPU.
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; Test that IMG_Object image kind is set for AOT compilation (Intel GPU).
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none -arch=bmg_g21 %t/input1.bc %t/input2.bc -o %t/aot-gpu.out 2>&1 \
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; RUN: --ocloc-options="-a -b" \
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; RUN: | FileCheck %s --check-prefix=AOT-INTEL-GPU
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; AOT-INTEL-GPU: link: inputs: {{.*}}.bc, {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; AOT-INTEL-GPU-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output: [[SPIRVTRANSLATIONOUT:.*]]_0.spv
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; AOT-INTEL-GPU-NEXT: "{{.*}}ocloc{{.*}}" {{.*}}-device bmg_g21 -a -b {{.*}}-output [[SPIRVTRANSLATIONOUT]]_0.out -file [[SPIRVTRANSLATIONOUT]]_0.spv
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; AOT-INTEL-GPU-NEXT: sycl-bundle: image kind: o, triple: spirv64, arch: bmg_g21
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; AOT-INTEL-GPU-NOT: {{.+}}
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;
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; Test AOT compilation for an Intel CPU.
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; Test that IMG_Object image kind is set for AOT compilation (Intel CPU).
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; RUN: clang-sycl-linker --dry-run -v --module-split-mode=none -arch=graniterapids %t/input1.bc %t/input2.bc -o %t/aot-cpu.out 2>&1 \
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; RUN: --opencl-aot-options="-a -b" \
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; RUN: | FileCheck %s --check-prefix=AOT-INTEL-CPU
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; AOT-INTEL-CPU: link: inputs: {{.*}}.bc, {{.*}}.bc libfiles: output: [[LLVMLINKOUT:.*]].bc
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; AOT-INTEL-CPU-NEXT: LLVM backend: input: [[LLVMLINKOUT]].bc, output: [[SPIRVTRANSLATIONOUT:.*]]_0.spv
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; AOT-INTEL-CPU-NEXT: "{{.*}}opencl-aot{{.*}}" {{.*}}--device=cpu -a -b {{.*}}-o [[SPIRVTRANSLATIONOUT]]_0.out [[SPIRVTRANSLATIONOUT]]_0.spv
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; AOT-INTEL-CPU-NEXT: sycl-bundle: image kind: o, triple: spirv64, arch: graniterapids
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; AOT-INTEL-CPU-NOT: {{.+}}
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;
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; Check that the output file must be specified.
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; RUN: not clang-sycl-linker --dry-run %t/input1.bc %t/input2.bc 2>&1 \
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; RUN: | FileCheck %s --check-prefix=NOOUTPUT
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; NOOUTPUT: Output file must be specified
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;
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; Check parser error reporting for unknown options.
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; RUN: not clang-sycl-linker --dry-run --not-a-real-flag -triple=spirv64 %t/input1.bc -o a.out 2>&1 \
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; RUN: | FileCheck %s --check-prefix=BADOPT
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; BADOPT: unknown argument '--not-a-real-flag'
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;
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; Input with no entry points still produces an offload image.
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; RUN: llvm-as %t/no-entry-points.ll -o %t/no-entry-points.bc
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; RUN: clang-sycl-linker %t/no-entry-points.bc -o %t/no-entry-points.out
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; RUN: llvm-objdump --offloading %t/no-entry-points.out | FileCheck %s --check-prefix=NO-ENTRY-POINTS
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; NO-ENTRY-POINTS: OFFLOADING IMAGE [0]:
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; NO-ENTRY-POINTS: producer sycl
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;
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; Real (non-dry-run) run: input1/input2 have different
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; sycl-module-id values, so two images are produced and packaged on disk.
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; Covers write on disk logic not reachable under --dry-run.
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; RUN: clang-sycl-linker %t/input1.bc %t/input2.bc -o %t/srcsplit.out
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; RUN: llvm-objdump --offloading %t/srcsplit.out | FileCheck %s --check-prefix=SRCSPLIT
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; SRCSPLIT: OFFLOADING IMAGE [0]:
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; SRCSPLIT: kind spir-v
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; SRCSPLIT: triple spirv64
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; SRCSPLIT: OFFLOADING IMAGE [1]:
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; SRCSPLIT: kind spir-v
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; SRCSPLIT: triple spirv64
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;--- input1.ll
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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_kernel void @kernel_a() #0 {
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ret void
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}
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attributes #0 = { "sycl-module-id"="TU1.cpp" }
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;--- input2.ll
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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_kernel void @kernel_b() #0 {
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ret void
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}
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attributes #0 = { "sycl-module-id"="TU2.cpp" }
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;--- no-entry-points.ll
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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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