153 lines · yaml
1# UNSUPPORTED: system-windows2 3# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x c++ %s -### -o %t.out 2>&1 \4# RUN: --target=thumbv8m.main-none-eabihf --sysroot= \5# RUN: | FileCheck %s6# CHECK: "-cc1" "-triple" "thumbv8m.main-unknown-none-eabihf"7# CHECK-SAME: "-internal-isystem" "[[SYSROOT:[^"]*]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include/c++/v1"8# CHECK-SAME: "-internal-isystem" "[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/include"9# CHECK-SAME: "-x" "c++" "{{.*}}baremetal-multilib.yaml"10# CHECK-NEXT: ld{{(.exe)?}}" "-Bstatic"11# CHECK-SAME: "-L[[SYSROOT]]/bin/../lib/clang-runtimes/arm-none-eabi/thumb/v8-m.main/fp/lib"12# CHECK-SAME: "{{.*}}.o"13# CHECK-SAME: "{{[^"]*}}libclang_rt.builtins.a"14# CHECK-SAME: "-lc"15# CHECK-SAME: "-o" "{{.*}}.tmp.out"16 17# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x c++ %s -### -o %t.out 2>&1 \18# RUN: --target=thumbv7em-none-eabi -mfpu=fpv4-sp-d16 --sysroot= \19# RUN: | FileCheck --check-prefix=CHECK-NO-MATCH %s20# CHECK-NO-MATCH: warning: no multilib found matching flags:21# CHECK-NO-MATCH-SAME: --target=thumbv7em-unknown-none-eabi22# CHECK-NO-MATCH: note: available multilibs are:23# CHECK-NO-MATCH: --target=thumbv6m-unknown-none-eabi -mfpu=none24# CHECK-NO-MATCH: --target=thumbv7m-unknown-none-eabi -mfpu=none25# CHECK-NO-MATCH: --target=thumbv7em-unknown-none-eabi -mfpu=none26 27# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -print-multi-directory 2>&1 \28# RUN: --target=thumbv8m.main-none-eabihf --sysroot= \29# RUN: | FileCheck --check-prefix=CHECK-PRINT-MULTI-DIRECTORY %s30# CHECK-PRINT-MULTI-DIRECTORY: arm-none-eabi/thumb/v8-m.main/fp31 32# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -print-multi-lib 2>&1 \33# RUN: --target=arm-none-eabi --sysroot= \34# RUN: | FileCheck --check-prefix=CHECK-PRINT-MULTI-LIB %s35# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v6-m/nofp;@-target=thumbv6m-unknown-none-eabi@mfpu=none36# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7-m/nofp;@-target=thumbv7m-unknown-none-eabi@mfpu=none37# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/nofp;@-target=thumbv7em-unknown-none-eabi@mfpu=none38# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8-m.main/nofp;@-target=thumbv8m.main-unknown-none-eabi@mfpu=none39# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8.1-m.main/nofp/nomve;@-target=thumbv8.1m.main-unknown-none-eabi@mfpu=none40# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/fpv4_sp_d16;@-target=thumbv7em-unknown-none-eabihf@mfpu=fpv4-sp-d1641# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v7e-m/fpv5_d16;@-target=thumbv7em-unknown-none-eabihf@mfpu=fpv5-d1642# CHECK-PRINT-MULTI-LIB: arm-none-eabi/thumb/v8-m.main/fp;@-target=thumbv8m.main-unknown-none-eabihf@mfpu=fpv5-d1643# 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-d1644# 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=none45 46# RUN: %clang --multi-lib-config=%s -no-canonical-prefixes -x assembler -mexecute-only \47# RUN: --target=arm-none-eabi --sysroot= %s -c -### 2>&1 \48# RUN: | FileCheck %s --check-prefix=CHECK-NO-EXECUTE-ONLY-ASM49# CHECK-NO-EXECUTE-ONLY-ASM: warning: argument unused during compilation: '-mexecute-only'50 51---52# This file is in two parts:53# 1. A list of library variants.54# 2. A mapping from flags generated from command line arguments to further55# flags.56 57# How does clang use this file?58# 1. If the ToolChain class for the architecture supports this form of59# multilib it then it loads the file if present in sysroot.60# 2. Generate flags from the user provided arguments.61# (Use `clang -print-multi-flags-experimental` to see which flags are62# generated).63# 3. Compare the arguments against each regular expression and store64# associated flags if there's a match.65# 4. Find the last library variant whose flags are a subset of the66# flags derived from the user provided arguments.67# 5. Use the directory for the library variant as the sysroot.68 69# Clang will emit an error if this number is greater than its current multilib70# version or if its major version differs, but will accept lesser minor71# versions.72MultilibVersion: 1.073 74# The first section of the file is the list of library variants.75# A library is considered compatible if the are a subset of the flags derived76# from the arguments provided by the user.77# If multiple libraries are deemed compatible then the one that appears78# last in the list wins. A ToolChain may instead opt to use more than one79# multilib, layered on top of each other.80 81Variants:82- Dir: arm-none-eabi/arm/v4t83 Flags: [--target=armv4t-unknown-none-eabi]84 85- Dir: arm-none-eabi/thumb/v6-m/nofp86 Flags: [--target=thumbv6m-unknown-none-eabi, -mfpu=none]87 88- Dir: arm-none-eabi/thumb/v7-m/nofp89 Flags: [--target=thumbv7m-unknown-none-eabi, -mfpu=none]90 91- Dir: arm-none-eabi/thumb/v7e-m/nofp92 Flags: [--target=thumbv7em-unknown-none-eabi, -mfpu=none]93 94- Dir: arm-none-eabi/thumb/v8-m.main/nofp95 Flags: [--target=thumbv8m.main-unknown-none-eabi, -mfpu=none]96 97- Dir: arm-none-eabi/thumb/v8.1-m.main/nofp/nomve98 Flags: [--target=thumbv8.1m.main-unknown-none-eabi, -mfpu=none]99 100- Dir: arm-none-eabi/thumb/v7e-m/fpv4_sp_d16101 Flags: [--target=thumbv7em-unknown-none-eabihf, -mfpu=fpv4-sp-d16]102 103- Dir: arm-none-eabi/thumb/v7e-m/fpv5_d16104 Flags: [--target=thumbv7em-unknown-none-eabihf, -mfpu=fpv5-d16]105 106- Dir: arm-none-eabi/thumb/v8-m.main/fp107 Flags: [--target=thumbv8m.main-unknown-none-eabihf, -mfpu=fpv5-d16]108 109- Dir: arm-none-eabi/thumb/v8.1-m.main/fp110 Flags: [--target=thumbv8.1m.main-unknown-none-eabihf, -mfpu=fp-armv8-fullfp16-sp-d16]111 112- Dir: arm-none-eabi/thumb/v8.1-m.main/nofp/mve113 Flags: [--target=thumbv8.1m.main-unknown-none-eabihf, -march=thumbv8.1m.main+mve, -mfpu=none]114 115 116# The second section of the file is a map from auto-detected flags117# to custom flags. The auto-detected flags can be printed out118# by running clang with `-print-multi-flags-experimental`.119# The regex must match a whole flag string.120# All flags in the "Flags" list will be added if an argument matches.121Mappings:122# For v8m.base (and potential later v8m baseline versions) use v6m123- Match: --target=thumbv8(\.[0-9]+)?m\.base-unknown-none-eabi124 Flags: [--target=thumbv6m-unknown-none-eabi]125# Match versions after v8.1m.main. We assume that v8.2m (if/when it exists) will126# be backwards compatible with v8.1m.127# The alternative is to not recognise later versions, and require that128# this multilib spec is updated before it can be used with newer129# architecture versions.130- Match: --target=thumbv8\.[1-9]m\.main-unknown-none-eabi131 Flags: [--target=thumbv8.1m.main-unknown-none-eabi]132- Match: --target=thumbv8\.[1-9]m\.main-unknown-none-eabihf133 Flags: [--target=thumbv8.1m.main-unknown-none-eabihf]134 135- Match: -march=thumbv8\.[1-9]m\.main.*\+mve($|\+).*136 Flags: [-march=thumbv8.1m.main+mve]137 138# Hierarchy among FPUs: fpvN-d16 is a superset of fpvN-sp-d16, and139# fpvN-d16 is a superset of fpv[N-1]-d16, for all N.140- Match: -mfpu=fpv5-d16141 Flags:142 - -mfpu=fpv4-d16143 - -mfpu=fpv5-sp-d16144 - -mfpu=fpv4-sp-d16145- Match: -mfpu=fpv5-sp-d16146 Flags:147 - -mfpu=fpv4-sp-d16148- Match: -mfpu=fpv4-d16149 Flags:150 - -mfpu=fpv4-sp-d16151 152...153