c5e7e649d5
Generate outline atomics if compiling for armv8-a non-LSE AArch64 Linux (including Android) targets to use LSE instructions, if they are available, at runtime. Library support is checked by clang driver which doesn't enable outline atomics if no proper libraries (libgcc >= 9.3.1 or compiler-rt) found. Differential Revision: https://reviews.llvm.org/D93585
66 lines
3.1 KiB
C
66 lines
3.1 KiB
C
// RUN: %clang -target aarch64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s
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// RUN: %clang -target arm64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s
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// CHECK: "-munwind-tables"
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// The AArch64 PCS states that chars should be unsigned.
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// CHECK: fno-signed-char
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// Check for AArch64 out-of-line atomics default settings.
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// RUN: %clang -target aarch64-linux-android -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target arm64-unknown-linux -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target aarch64--none-eabi -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target aarch64-apple-darwin -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target aarch64-windows-gnu -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target aarch64-unknown-openbsd -rtlib=compiler-rt \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=libgcc \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-10 \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=libgcc \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-7.5.0 \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=libgcc \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-9.3.1 \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=libgcc \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-9.3.0 \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
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// RUN: %clang -target arm64-linux -rtlib=compiler-rt -mno-outline-atomics \
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// RUN: -### -c %s 2>&1 | FileCheck \
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// RUN: -check-prefixes=CHECK-OUTLINE-ATOMICS-OFF,CHECK-NO-OUTLINE-ATOMICS %s
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// RUN: %clang -target aarch64-linux-gnu -rtlib=libgcc -mno-outline-atomics \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-10 \
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// RUN: -### -c %s 2>&1 | FileCheck \
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// RUN: -check-prefixes=CHECK-OUTLINE-ATOMICS-OFF,CHECK-NO-OUTLINE-ATOMICS %s
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// RUN: %clang -target aarch64-apple-darwin -rtlib=compiler-rt -moutline-atomics \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// RUN: %clang -target aarch64-windows-gnu -rtlib=libgcc -moutline-atomics \
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// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-7.5.0 \
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// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
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// CHECK-OUTLINE-ATOMICS-ON: "-target-feature" "+outline-atomics"
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// CHECK-OUTLINE-ATOMICS-OFF-NOT: "-target-feature" "+outline-atomics"
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// CHECK-NO-OUTLINE-ATOMICS: "-target-feature" "-outline-atomics"
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