9da4d74a88
Summary: We always want to use the detected path. The clang driver's detection is far more sophisticated so we should use that whenever possible. Also update the usage so we properly fall back to path instead of incorrectly using the `/bin` if not provided.
115 lines
4.7 KiB
C
115 lines
4.7 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" "-target-feature" "+ptx{{[0-9]+}}" {{.*}} "-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" "-target-feature" "+ptx{{[0-9]+}}" {{.*}} "-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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