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3f659e8731
This reverts commit r336467: libatomic is not available on all Linux systems and this commit completely breaks OpenMP on them, even if there are no atomic operations or all of them can be lowered to hardware instructions. See http://lists.llvm.org/pipermail/cfe-commits/Week-of-Mon-20180716/234816.html for post-commit discussion. llvm-svn: 337722
112 lines
5.0 KiB
C
112 lines
5.0 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 \
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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 \
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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 \
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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 | 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 | 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 \
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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 \
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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 \
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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: %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: %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 \
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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 \
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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 %s -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libomp -target x86_64-msvc-win32 -rtlib=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 | 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 -### -o %t.o 2>&1 \
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// RUN: -fopenmp=libiomp5 -target x86_64-msvc-win32 -rtlib=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 | 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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