derek.holloway
7502bf64a4
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128 lines
5.4 KiB
C
128 lines
5.4 KiB
C
// Tests the driver when targeting the NVPTX architecture directly without a
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// host toolchain to perform CUDA mappings.
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//
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// Test the generated phases when targeting NVPTX.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -ccc-print-phases %s 2>&1 \
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// RUN: | FileCheck -check-prefix=PHASES %s
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// PHASES: 0: input, "[[INPUT:.+]]", c
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// PHASES-NEXT: 1: preprocessor, {0}, cpp-output
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// PHASES-NEXT: 2: compiler, {1}, ir
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// PHASES-NEXT: 3: backend, {2}, assembler
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// PHASES-NEXT: 4: assembler, {3}, object
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// PHASES-NEXT: 5: linker, {4}, image
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//
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// Test the generated bindings when targeting NVPTX.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -ccc-print-bindings %s 2>&1 \
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// RUN: | FileCheck -check-prefix=BINDINGS %s
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// BINDINGS: "nvptx64-nvidia-cuda" - "clang", inputs: ["[[INPUT:.+]]"], output: "[[PTX:.+]].s"
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// BINDINGS-NEXT: "nvptx64-nvidia-cuda" - "NVPTX::Assembler", inputs: ["[[PTX]].s"], output: "[[CUBIN:.+]].o"
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// BINDINGS-NEXT: "nvptx64-nvidia-cuda" - "NVPTX::Linker", inputs: ["[[CUBIN]].o"], output: "a.out"
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//
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// Test the generated arguments to the CUDA binary utils when targeting NVPTX.
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// Ensure that the '.o' files are converted to '.cubin' if produced internally.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_61 -### %s 2>&1 \
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// RUN: | FileCheck -check-prefix=ARGS %s
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// ARGS: -cc1" "-triple" "nvptx64-nvidia-cuda" "-S" {{.*}} "-target-cpu" "sm_61" {{.*}} "-o" "[[PTX:.+]].s"
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// ARGS-NEXT: ptxas{{.*}}"-m64" "-O0" "--gpu-name" "sm_61" "--output-file" "[[CUBIN:.+]].o" "[[PTX]].s" "-c"
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// ARGS-NEXT: clang-nvlink-wrapper{{.*}}"-o" "a.out" "-arch" "sm_61"{{.*}}"[[CUBIN]].o"
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//
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// Test the generated arguments to the CUDA binary utils when targeting NVPTX.
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// Ensure that we emit '.o' files if compiled with '-c'
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_61 -c -### %s 2>&1 \
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// RUN: | FileCheck -check-prefix=OBJECT %s
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// RUN: %clang -target nvptx64-nvidia-cuda -save-temps -march=sm_61 -c -### %s 2>&1 \
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// RUN: | FileCheck -check-prefix=OBJECT %s
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// OBJECT: -cc1" "-triple" "nvptx64-nvidia-cuda" "-S" {{.*}} "-target-cpu" "sm_61" {{.*}} "-o" "[[PTX:.+]].s"
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// OBJECT-NEXT: ptxas{{.*}}"-m64" "-O0" "--gpu-name" "sm_61" "--output-file" "[[OBJ:.+]].o" "[[PTX]].s" "-c"
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//
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// Test the generated arguments to the CUDA binary utils when targeting NVPTX.
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// Ensure that we copy input '.o' files to '.cubin' files when linking.
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//
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// RUN: touch %t.o
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_61 -### %t.o 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK %s
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// LINK: clang-nvlink-wrapper{{.*}}"-o" "a.out" "-arch" "sm_61"{{.*}}[[CUBIN:.+]].o
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//
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// Test passing arguments directly to nvlink.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -Wl,-v -Wl,a,b -march=sm_52 -### %s 2>&1 \
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// RUN: | FileCheck -check-prefix=LINKER-ARGS %s
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// LINKER-ARGS: clang-nvlink-wrapper{{.*}}"-v"{{.*}}"a" "b"
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// Tests for handling a missing architecture.
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//
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// RUN: not %clang -target nvptx64-nvidia-cuda %s -### 2>&1 \
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// RUN: | FileCheck -check-prefix=MISSING %s
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// RUN: not %clang -target nvptx64-nvidia-cuda -march=generic %s -### 2>&1 \
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// RUN: | FileCheck -check-prefix=MISSING %s
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// MISSING: error: must pass in an explicit nvptx64 gpu architecture to 'ptxas'
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// MISSING: error: must pass in an explicit nvptx64 gpu architecture to 'nvlink'
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// Do not error when performing LTO.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -flto %s -### 2>&1 \
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// RUN: | FileCheck -check-prefix=MISSING-LTO %s
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// MISSING-LTO-NOT: error: must pass in an explicit nvptx64 gpu architecture to 'nvlink'
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// RUN: %clang -target nvptx64-nvidia-cuda -flto -c %s -### 2>&1 \
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// RUN: | FileCheck -check-prefix=GENERIC %s
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_52 -march=generic -flto -c %s -### 2>&1 \
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// RUN: | FileCheck -check-prefix=GENERIC %s
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// GENERIC-NOT: -cc1" "-triple" "nvptx64-nvidia-cuda" {{.*}} "-target-cpu"
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//
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// Test forwarding the necessary +ptx feature.
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//
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// RUN: %clang -target nvptx64-nvidia-cuda --cuda-feature=+ptx63 -march=sm_52 -### %s 2>&1 \
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// RUN: | FileCheck -check-prefix=FEATURE %s
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// FEATURE: clang-nvlink-wrapper{{.*}}"--plugin-opt=-mattr=+ptx63"
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//
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// Test including the libc startup files and libc
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_61 -stdlib -startfiles \
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// RUN: -nogpulib -nogpuinc -### %s 2>&1 | FileCheck -check-prefix=STARTUP %s
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// STARTUP: clang-nvlink-wrapper{{.*}}"-lc" "-lm" "{{.*}}crt1.o"
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//
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// Test cuda path handling
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//
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// RUN: %clang -target nvptx64-nvidia-cuda -march=sm_52 --cuda-path=%S/Inputs/CUDA/usr/local/cuda \
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// RUN: -nogpulib -nogpuinc -### %s 2>&1 | FileCheck -check-prefix=PATH %s
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// PATH: clang-nvlink-wrapper{{.*}}"--cuda-path={{.*}}/Inputs/CUDA/usr/local/cuda"
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// RUN: %clang -### --target=nvptx64-nvidia-cuda -march=sm_89 -nogpulib \
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// RUN: -resource-dir=%S/Inputs/resource_dir_with_per_target_subdir \
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// RUN: -fprofile-generate %s 2>&1 | FileCheck -check-prefixes=PROFILE %s
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// PROFILE: clang-nvlink-wrapper
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// PROFILE-SAME: "[[RESOURCE_DIR:.+]]{{/|\\\\}}lib{{/|\\\\}}nvptx64-nvidia-cuda{{/|\\\\}}libclang_rt.profile.a"
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// RUN: %clang -### --target=nvptx64-nvidia-cuda -march=sm_89 -nogpulib \
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// RUN: -resource-dir=%S/Inputs/resource_dir_with_per_target_subdir \
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// RUN: -fsanitize=undefined -fsanitize-minimal-runtime %s 2>&1 \
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// RUN: | FileCheck -check-prefixes=UBSAN %s
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// UBSAN: clang-nvlink-wrapper
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// UBSAN-SAME: "[[RESOURCE_DIR:.+]]{{/|\\\\}}lib{{/|\\\\}}nvptx64-nvidia-cuda{{/|\\\\}}libclang_rt.ubsan_minimal.a"
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