derek.holloway
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153 lines
7.2 KiB
YAML
153 lines
7.2 KiB
YAML
# UNSUPPORTED: system-windows
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# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x c++ %s -### -o %t.out 2>&1 \
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# RUN: --target=thumbv8m.main-none-eabihf --sysroot= \
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# RUN: | FileCheck %s
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# CHECK: "-cc1" "-triple" "thumbv8m.main-unknown-none-eabihf"
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# CHECK-SAME: "-internal-isystem" "[[SYSROOT:[^"]*]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include/c++/v1"
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# CHECK-SAME: "-internal-isystem" "[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include"
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# CHECK-SAME: "-x" "c++" "{{.*}}baremetal-multilib.yaml"
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# CHECK-NEXT: ld{{(.exe)?}}" "-Bstatic"
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# CHECK-SAME: "-L[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/lib"
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# CHECK-SAME: "{{.*}}.o"
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# CHECK-SAME: "{{[^"]*}}libclang_rt.builtins.a"
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# CHECK-SAME: "-lc"
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# CHECK-SAME: "-o" "{{.*}}.tmp.out"
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# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x c++ %s -### -o %t.out 2>&1 \
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# RUN: --target=thumbv7em-none-eabi -mfpu=fpv4-sp-d16 --sysroot= \
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# RUN: | FileCheck --check-prefix=CHECK-NO-MATCH %s
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# CHECK-NO-MATCH: warning: no multilib found matching flags:
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# CHECK-NO-MATCH-SAME: --target=thumbv7em-unknown-none-eabi
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# CHECK-NO-MATCH: note: available multilibs are:
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# CHECK-NO-MATCH: --target=thumbv6m-unknown-none-eabi -mfpu=none
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# CHECK-NO-MATCH: --target=thumbv7m-unknown-none-eabi -mfpu=none
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# CHECK-NO-MATCH: --target=thumbv7em-unknown-none-eabi -mfpu=none
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# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -print-multi-directory 2>&1 \
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# RUN: --target=thumbv8m.main-none-eabihf --sysroot= \
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# RUN: | FileCheck --check-prefix=CHECK-PRINT-MULTI-DIRECTORY %s
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# CHECK-PRINT-MULTI-DIRECTORY: arm-none-eabi/thumb/v8-m.main/fp
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# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -print-multi-lib 2>&1 \
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# RUN: --target=arm-none-eabi --sysroot= \
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# RUN: | FileCheck --check-prefix=CHECK-PRINT-MULTI-LIB %s
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v6-m/nofp;@-target=thumbv6m-unknown-none-eabi@mfpu=none
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7-m/nofp;@-target=thumbv7m-unknown-none-eabi@mfpu=none
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/nofp;@-target=thumbv7em-unknown-none-eabi@mfpu=none
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8-m.main/nofp;@-target=thumbv8m.main-unknown-none-eabi@mfpu=none
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8.1-m.main/nofp/nomve;@-target=thumbv8.1m.main-unknown-none-eabi@mfpu=none
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/fpv4_sp_d16;@-target=thumbv7em-unknown-none-eabihf@mfpu=fpv4-sp-d16
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/fpv5_d16;@-target=thumbv7em-unknown-none-eabihf@mfpu=fpv5-d16
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8-m.main/fp;@-target=thumbv8m.main-unknown-none-eabihf@mfpu=fpv5-d16
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8.1-m.main/fp;@-target=thumbv8.1m.main-unknown-none-eabihf@mfpu=fp-armv8-fullfp16-sp-d16
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# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8.1-m.main/nofp/mve;@-target=thumbv8.1m.main-unknown-none-eabihf@march=thumbv8.1m.main+mve@mfpu=none
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# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x assembler -mexecute-only \
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# RUN: --target=arm-none-eabi --sysroot= %s -c -### 2>&1 \
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# RUN: | FileCheck %s --check-prefix=CHECK-NO-EXECUTE-ONLY-ASM
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# CHECK-NO-EXECUTE-ONLY-ASM: warning: argument unused during compilation: '-mexecute-only'
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---
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# This file is in two parts:
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# 1. A list of library variants.
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# 2. A mapping from flags generated from command line arguments to further
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# flags.
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# How does clang use this file?
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# 1. If the ToolChain class for the architecture supports this form of
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# multilib it then it loads the file if present in sysroot.
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# 2. Generate flags from the user provided arguments.
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# (Use `clang -print-multi-flags-experimental` to see which flags are
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# generated).
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# 3. Compare the arguments against each regular expression and store
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# associated flags if there's a match.
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# 4. Find the last library variant whose flags are a subset of the
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# flags derived from the user provided arguments.
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# 5. Use the directory for the library variant as the sysroot.
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# Clang will emit an error if this number is greater than its current multilib
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# version or if its major version differs, but will accept lesser minor
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# versions.
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MultilibVersion: 1.0
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# The first section of the file is the list of library variants.
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# A library is considered compatible if the are a subset of the flags derived
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# from the arguments provided by the user.
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# If multiple libraries are deemed compatible then the one that appears
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# last in the list wins. A ToolChain may instead opt to use more than one
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# multilib, layered on top of each other.
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Variants:
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- Dir: arm-none-eabi/arm/v4t
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Flags: [--target=armv4t-unknown-none-eabi]
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- Dir: arm-none-eabi/thumb/v6-m/nofp
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Flags: [--target=thumbv6m-unknown-none-eabi, -mfpu=none]
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- Dir: arm-none-eabi/thumb/v7-m/nofp
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Flags: [--target=thumbv7m-unknown-none-eabi, -mfpu=none]
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- Dir: arm-none-eabi/thumb/v7e-m/nofp
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Flags: [--target=thumbv7em-unknown-none-eabi, -mfpu=none]
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- Dir: arm-none-eabi/thumb/v8-m.main/nofp
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Flags: [--target=thumbv8m.main-unknown-none-eabi, -mfpu=none]
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- Dir: arm-none-eabi/thumb/v8.1-m.main/nofp/nomve
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Flags: [--target=thumbv8.1m.main-unknown-none-eabi, -mfpu=none]
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- Dir: arm-none-eabi/thumb/v7e-m/fpv4_sp_d16
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Flags: [--target=thumbv7em-unknown-none-eabihf, -mfpu=fpv4-sp-d16]
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- Dir: arm-none-eabi/thumb/v7e-m/fpv5_d16
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Flags: [--target=thumbv7em-unknown-none-eabihf, -mfpu=fpv5-d16]
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- Dir: arm-none-eabi/thumb/v8-m.main/fp
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Flags: [--target=thumbv8m.main-unknown-none-eabihf, -mfpu=fpv5-d16]
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- Dir: arm-none-eabi/thumb/v8.1-m.main/fp
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Flags: [--target=thumbv8.1m.main-unknown-none-eabihf, -mfpu=fp-armv8-fullfp16-sp-d16]
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- Dir: arm-none-eabi/thumb/v8.1-m.main/nofp/mve
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Flags: [--target=thumbv8.1m.main-unknown-none-eabihf, -march=thumbv8.1m.main+mve, -mfpu=none]
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# The second section of the file is a map from auto-detected flags
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# to custom flags. The auto-detected flags can be printed out
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# by running clang with `-print-multi-flags-experimental`.
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# The regex must match a whole flag string.
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# All flags in the "Flags" list will be added if an argument matches.
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Mappings:
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# For v8m.base (and potential later v8m baseline versions) use v6m
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- Match: --target=thumbv8(\.[0-9]+)?m\.base-unknown-none-eabi
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Flags: [--target=thumbv6m-unknown-none-eabi]
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# Match versions after v8.1m.main. We assume that v8.2m (if/when it exists) will
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# be backwards compatible with v8.1m.
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# The alternative is to not recognise later versions, and require that
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# this multilib spec is updated before it can be used with newer
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# architecture versions.
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- Match: --target=thumbv8\.[1-9]m\.main-unknown-none-eabi
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Flags: [--target=thumbv8.1m.main-unknown-none-eabi]
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- Match: --target=thumbv8\.[1-9]m\.main-unknown-none-eabihf
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Flags: [--target=thumbv8.1m.main-unknown-none-eabihf]
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- Match: -march=thumbv8\.[1-9]m\.main.*\+mve($|\+).*
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Flags: [-march=thumbv8.1m.main+mve]
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# Hierarchy among FPUs: fpvN-d16 is a superset of fpvN-sp-d16, and
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# fpvN-d16 is a superset of fpv[N-1]-d16, for all N.
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- Match: -mfpu=fpv5-d16
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Flags:
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- -mfpu=fpv4-d16
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- -mfpu=fpv5-sp-d16
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- -mfpu=fpv4-sp-d16
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- Match: -mfpu=fpv5-sp-d16
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Flags:
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- -mfpu=fpv4-sp-d16
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- Match: -mfpu=fpv4-d16
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Flags:
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- -mfpu=fpv4-sp-d16
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...
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