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f39c399d9d
The exit code for -### is inconsistent. Unrecognized options lead to exit code 1, as expected. However, most others errors (including invalid option value) lead to exit code 0, differing from GCC and most utilities. This is a longstanding quirk of -###, and we didn't fix it because many driver tests need adjustment. Change -### to be similar to -fdriver-only -v and exit with code 1. This requires fixing many driver tests, but the end result gives us stronger tests. * Existing `RUN: %clang -### ...` tests usually don't use `CHECK-NOT: error:` or `--implicit-check-not=error:`. If a change introduces an error, such a change usually cannot be detected. * Many folks contributing new tests don't know `-fdriver-only -v`. To test no driver error/warning for new tests, they can use the familiar `-### -Werror` instead of `-fdriver-only -v -Werror`. An incomplete list of prerequisite test improvement: *2f79bb1046: add -nogpulib to some AMDGPU tests *9155e517e6: add --cuda-path= (test w/ and w/o /usr/local/cuda) *80765ede5b: -mcpu=native may return either 0 or 1, depending on whether `--target=` specifies a native target *abae53f43f: fix -fuse-ld=lld misuses (test w/o and w/o /usr/local/bin/ld.lld) *ab68df505e: add -resource-dir= and -fvisibility=hidden to some -fsanitize=cfi tests *d5ca1602f6: --rtlib=platform without --unwindlib= may fail if CLANG_DEFAULT_UNWINDLIB=unwindlib Reviewed By: jhuber6, yaxunl, dblaikie Differential Revision: https://reviews.llvm.org/D156363
112 lines
5.3 KiB
C
112 lines
5.3 KiB
C
// Test the that the driver produces reasonable linker invocations with
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// -fopenmp or -fopenmp|libgomp.
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//
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// FIXME: Replace DEFAULT_OPENMP_LIB below with the value chosen at configure time.
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-LD-32 %s
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// CHECK-LD-32: "{{.*}}ld{{(.exe)?}}"
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// CHECK-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
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// CHECK-LD-32: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-LD-64 %s
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// CHECK-LD-64: "{{.*}}ld{{(.exe)?}}"
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// CHECK-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
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// CHECK-LD-64: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libgomp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-GOMP-LD-32 %s
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
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// SIMD-ONLY2-NOT: lgomp
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// SIMD-ONLY2-NOT: lomp
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// SIMD-ONLY2-NOT: liomp
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// CHECK-GOMP-LD-32: "{{.*}}ld{{(.exe)?}}"
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// CHECK-GOMP-LD-32: "-lgomp" "-lrt"
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// CHECK-GOMP-LD-32: "-lpthread" "-lc"
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target i386-unknown-linux -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY2 %s
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// SIMD-ONLY2-NOT: lgomp
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// SIMD-ONLY2-NOT: lomp
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// SIMD-ONLY2-NOT: liomp
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libgomp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-GOMP-LD-64 %s
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// CHECK-GOMP-LD-64: "{{.*}}ld{{(.exe)?}}"
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// CHECK-GOMP-LD-64: "-lgomp" "-lrt"
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// CHECK-GOMP-LD-64: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -target i386-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-IOMP5-LD-32 %s
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// CHECK-IOMP5-LD-32: "{{.*}}ld{{(.exe)?}}"
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// CHECK-IOMP5-LD-32: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
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// CHECK-IOMP5-LD-32: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -target x86_64-unknown-linux -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-IOMP5-LD-64 %s
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// CHECK-IOMP5-LD-64: "{{.*}}ld{{(.exe)?}}"
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// CHECK-IOMP5-LD-64: "-l[[DEFAULT_OPENMP_LIB:[^"]*]]"
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// CHECK-IOMP5-LD-64: "-lpthread" "-lc"
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//
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// RUN: not %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=lib -target i386-unknown-linux \
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// RUN: | FileCheck --check-prefix=CHECK-LIB-LD-32 %s
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// CHECK-LIB-LD-32: error: unsupported argument 'lib' to option '-fopenmp='
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//
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// RUN: not %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=lib -target x86_64-unknown-linux \
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// RUN: | FileCheck --check-prefix=CHECK-LIB-LD-64 %s
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// CHECK-LIB-LD-64: error: unsupported argument 'lib' to option '-fopenmp='
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -fopenmp=libgomp -target i386-unknown-linux \
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// RUN: -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-LD-OVERRIDE-32 %s
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// CHECK-LD-OVERRIDE-32: "{{.*}}ld{{(.exe)?}}"
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// CHECK-LD-OVERRIDE-32: "-lgomp" "-lrt"
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// CHECK-LD-OVERRIDE-32: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp -fopenmp=libgomp -target x86_64-unknown-linux \
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// RUN: -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-LD-OVERRIDE-64 %s
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// CHECK-LD-OVERRIDE-64: "{{.*}}ld{{(.exe)?}}"
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// CHECK-LD-OVERRIDE-64: "-lgomp" "-lrt"
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// CHECK-LD-OVERRIDE-64: "-lpthread" "-lc"
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//
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// RUN: %clang -no-canonical-prefixes -fuse-ld=link %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libomp -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-MSVC-LINK-64 %s
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// CHECK-MSVC-LINK-64: link.exe
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// CHECK-MSVC-LINK-64-SAME: -nodefaultlib:vcomp.lib
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// CHECK-MSVC-LINK-64-SAME: -nodefaultlib:vcompd.lib
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// CHECK-MSVC-LINK-64-SAME: -libpath:{{.+}}/../lib
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// CHECK-MSVC-LINK-64-SAME: -defaultlib:libomp.lib
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
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// SIMD-ONLY11-NOT: libiomp
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// SIMD-ONLY11-NOT: libomp
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// SIMD-ONLY11-NOT: libgomp
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//
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// RUN: %clang -no-canonical-prefixes %s -fuse-ld=link -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libiomp5 -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform \
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// RUN: | FileCheck --check-prefix=CHECK-MSVC-ILINK-64 %s
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// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 -fopenmp-simd -target x86_64-msvc-win32 -rtlib=platform --unwindlib=platform | FileCheck --check-prefix SIMD-ONLY11 %s
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// SIMD-ONLY11-NOT: libiomp
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// SIMD-ONLY11-NOT: libomp
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// SIMD-ONLY11-NOT: libgomp
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// CHECK-MSVC-ILINK-64: link.exe
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// CHECK-MSVC-ILINK-64-SAME: -nodefaultlib:vcomp.lib
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// CHECK-MSVC-ILINK-64-SAME: -nodefaultlib:vcompd.lib
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// CHECK-MSVC-ILINK-64-SAME: -libpath:{{.+}}/../lib
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// CHECK-MSVC-ILINK-64-SAME: -defaultlib:libiomp5md.lib
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//
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