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llvm-project/clang/test/Driver/debug-options.c
Scott Linder de6beb02a5 Implement -frecord-command-line (-frecord-gcc-switches) 
Implement options in clang to enable recording the driver command-line
in an ELF section.

Implement a new special named metadata, llvm.commandline, to support
frontends embedding their command-line options in IR/ASM/ELF.

This differs from the GCC implementation in some key ways:

* In GCC there is only one command-line possible per compilation-unit,
  in LLVM it mirrors llvm.ident and multiple are allowed.
* In GCC individual options are separated by NULL bytes, in LLVM entire
  command-lines are separated by NULL bytes. The advantage of the GCC
  approach is to clearly delineate options in the face of embedded
  spaces. The advantage of the LLVM approach is to support merging
  multiple command-lines unambiguously, while handling embedded spaces
  with escaping.

Differential Revision: https://reviews.llvm.org/D54487
Clang Differential Revision: https://reviews.llvm.org/D54489

llvm-svn: 349155
2018-12-14 15:38:15 +00:00

349 lines
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// Check to make sure clang is somewhat picky about -g options.
// rdar://10383444
// Linux.
// RUN: %clang -### -c -g %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G -check-prefix=G_GDB %s
// RUN: %clang -### -c -g2 %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G %s
// RUN: %clang -### -c -g3 %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G %s
// RUN: %clang -### -c -ggdb %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G -check-prefix=G_GDB %s
// RUN: %clang -### -c -ggdb1 %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_GDB %s
// RUN: %clang -### -c -ggdb3 %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G %s
// RUN: %clang -### -c -glldb %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G -check-prefix=G_LLDB %s
// RUN: %clang -### -c -gsce %s -target x86_64-linux-gnu 2>&1 \
// Darwin.
// RUN: | FileCheck -check-prefix=G -check-prefix=G_SCE %s
// RUN: %clang -### -c -g %s -target x86_64-apple-darwin 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF2 \
// RUN: -check-prefix=G_LLDB %s
// RUN: %clang -### -c -g %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 \
// RUN: -check-prefix=G_LLDB %s
// RUN: %clang -### -c -g2 %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -g3 %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -ggdb %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 \
// RUN: -check-prefix=G_GDB %s
// RUN: %clang -### -c -ggdb1 %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -ggdb3 %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -g %s -target x86_64-apple-macosx10.11 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -g %s -target x86_64-apple-macosx10.10 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -g %s -target armv7-apple-ios9.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -g %s -target armv7-apple-ios8.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -g %s -target armv7k-apple-watchos 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -g %s -target arm64-apple-tvos9.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE \
// RUN: -check-prefix=G_DWARF4 %s
// FreeBSD.
// RUN: %clang -### -c -g %s -target x86_64-pc-freebsd10.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_GDB %s
// Windows.
// RUN: %clang -### -c -g %s -target x86_64-w64-windows-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G_GDB %s
// RUN: %clang -### -c -g %s -target x86_64-windows-msvc 2>&1 \
// RUN: | FileCheck -check-prefix=G_NOTUNING %s
// RUN: %clang_cl -### -c -Z7 -target x86_64-windows-msvc -- %s 2>&1 \
// RUN: | FileCheck -check-prefix=G_NOTUNING %s
// On the PS4, -g defaults to -gno-column-info, and we always generate the
// arange section.
// RUN: %clang -### -c %s -target x86_64-scei-ps4 2>&1 \
// RUN: | FileCheck -check-prefix=NOG_PS4 %s
// RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
// RUN: | FileCheck -check-prefix=G_PS4 %s
// RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
// RUN: | FileCheck -check-prefix=G_SCE %s
// RUN: %clang -### -c %s -g -target x86_64-scei-ps4 2>&1 \
// RUN: | FileCheck -check-prefix=NOCI %s
// RUN: %clang -### -c %s -g -gcolumn-info -target x86_64-scei-ps4 2>&1 \
// RUN: | FileCheck -check-prefix=CI %s
// RUN: %clang -### -c %s -gsce -target x86_64-unknown-linux 2>&1 \
// RUN: | FileCheck -check-prefix=NOCI %s
// RUN: %clang -### -c -gdwarf-2 %s 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
//
// RUN: not %clang -### -c -gfoo %s 2>&1 | FileCheck -check-prefix=G_ERR %s
// RUN: %clang -### -c -g -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
// RUN: %clang -### -c -ggdb0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
// RUN: %clang -### -c -glldb -g0 %s 2>&1 | FileCheck -check-prefix=G_NO %s
// RUN: %clang -### -c -glldb -g1 %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_LLDB %s
//
// PS4 defaults to sce; -ggdb0 changes tuning but turns off debug info,
// then -g turns it back on without affecting tuning.
// RUN: %clang -### -c -ggdb0 -g -target x86_64-scei-ps4 %s 2>&1 \
// RUN: | FileCheck -check-prefix=G -check-prefix=G_GDB %s
//
// RUN: %clang -### -c -g1 %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -gmlt %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -gline-tables-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -gline-tables-only %s -target x86_64-apple-darwin 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
// RUN: %clang -### -c -gline-tables-only %s -target i686-pc-openbsd 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-tables-only %s -target x86_64-pc-freebsd10.0 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY %s
// RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -gline-tables-only -g %s -target i686-pc-openbsd 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-tables-only -g %s -target x86_64-pc-freebsd10.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-tables-only -g %s -target i386-pc-solaris 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-tables-only -g0 %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_NO %s
//
// RUN: %clang -### -c -gline-directives-only %s -target x86_64-apple-darwin 2>&1 \
// RUN: | FileCheck -check-prefix=GLIO_ONLY %s
// RUN: %clang -### -c -gline-directives-only %s -target i686-pc-openbsd 2>&1 \
// RUN: | FileCheck -check-prefix=GLIO_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-directives-only %s -target x86_64-pc-freebsd10.0 2>&1 \
// RUN: | FileCheck -check-prefix=GLIO_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-linux-gnu 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY %s
// RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-apple-darwin16 2>&1 \
// RUN: | FileCheck -check-prefix=G_STANDALONE -check-prefix=G_DWARF4 %s
// RUN: %clang -### -c -gline-directives-only -g %s -target i686-pc-openbsd 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-directives-only -g %s -target x86_64-pc-freebsd10.0 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-directives-only -g %s -target i386-pc-solaris 2>&1 \
// RUN: | FileCheck -check-prefix=G_ONLY_DWARF2 %s
// RUN: %clang -### -c -gline-directives-only -g0 %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLIO_NO %s
//
// RUN: %clang -### -c -grecord-gcc-switches %s 2>&1 \
// | FileCheck -check-prefix=GRECORD %s
// RUN: %clang -### -c -gno-record-gcc-switches %s 2>&1 \
// | FileCheck -check-prefix=GNO_RECORD %s
// RUN: %clang -### -c -grecord-gcc-switches -gno-record-gcc-switches %s 2>&1 \
// | FileCheck -check-prefix=GNO_RECORD %s/
// RUN: %clang -### -c -grecord-gcc-switches -o - %s 2>&1 \
// | FileCheck -check-prefix=GRECORD_O %s
// RUN: %clang -### -c -O3 -ffunction-sections -grecord-gcc-switches %s 2>&1 \
// | FileCheck -check-prefix=GRECORD_OPT %s
//
// RUN: %clang -### -c -grecord-command-line %s 2>&1 \
// | FileCheck -check-prefix=GRECORD %s
// RUN: %clang -### -c -gno-record-command-line %s 2>&1 \
// | FileCheck -check-prefix=GNO_RECORD %s
// RUN: %clang -### -c -grecord-command-line -gno-record-command-line %s 2>&1 \
// | FileCheck -check-prefix=GNO_RECORD %s/
// RUN: %clang -### -c -grecord-command-line -o - %s 2>&1 \
// | FileCheck -check-prefix=GRECORD_O %s
// RUN: %clang -### -c -O3 -ffunction-sections -grecord-command-line %s 2>&1 \
// | FileCheck -check-prefix=GRECORD_OPT %s
//
// RUN: %clang -### -c -gstrict-dwarf -gno-strict-dwarf %s 2>&1 \
// RUN: | FileCheck -check-prefix=GIGNORE %s
//
// RUN: %clang -### -c -ggnu-pubnames %s 2>&1 | FileCheck -check-prefix=GPUB %s
// RUN: %clang -### -c -ggdb %s 2>&1 | FileCheck -check-prefix=NOPUB %s
// RUN: %clang -### -c -ggnu-pubnames -gno-gnu-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
// RUN: %clang -### -c -ggnu-pubnames -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
//
// RUN: %clang -### -c -gpubnames %s 2>&1 | FileCheck -check-prefix=PUB %s
// RUN: %clang -### -c -ggdb %s 2>&1 | FileCheck -check-prefix=NOPUB %s
// RUN: %clang -### -c -gpubnames -gno-gnu-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
// RUN: %clang -### -c -gpubnames -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
//
// RUN: %clang -### -c -gsplit-dwarf %s 2>&1 | FileCheck -check-prefix=GPUB %s
// RUN: %clang -### -c -gsplit-dwarf -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
//
// RUN: %clang -### -c -fdebug-ranges-base-address %s 2>&1 | FileCheck -check-prefix=RNGBSE %s
// RUN: %clang -### -c %s 2>&1 | FileCheck -check-prefix=NORNGBSE %s
// RUN: %clang -### -c -fdebug-ranges-base-address -fno-debug-ranges-base-address %s 2>&1 | FileCheck -check-prefix=NORNGBSE %s
//
// RUN: %clang -### -c -glldb %s 2>&1 | FileCheck -check-prefix=GPUB %s
// RUN: %clang -### -c -glldb -gno-pubnames %s 2>&1 | FileCheck -check-prefix=NOPUB %s
//
// RUN: %clang -### -c -gdwarf-aranges %s 2>&1 | FileCheck -check-prefix=GARANGE %s
//
// RUN: %clang -### -fdebug-types-section -target x86_64-unknown-linux %s 2>&1 \
// RUN: | FileCheck -check-prefix=FDTS %s
//
// RUN: %clang -### -fdebug-types-section -fno-debug-types-section -target x86_64-unknown-linux %s 2>&1 \
// RUN: | FileCheck -check-prefix=NOFDTS %s
//
// RUN: %clang -### -fdebug-types-section -target x86_64-apple-darwin %s 2>&1 \
// RUN: | FileCheck -check-prefix=FDTSE %s
//
// RUN: %clang -### -fdebug-types-section -fno-debug-types-section -target x86_64-apple-darwin %s 2>&1 \
// RUN: | FileCheck -check-prefix=NOFDTSE %s
//
// RUN: %clang -### -g -gno-column-info %s 2>&1 \
// RUN: | FileCheck -check-prefix=NOCI %s
//
// RUN: %clang -### -g -target x86_64-unknown-unknown %s 2>&1 \
// | FileCheck -check-prefix=CI %s
//
// RUN: %clang -### -gmodules %s 2>&1 \
// RUN: | FileCheck -check-prefix=GEXTREFS %s
//
// RUN: %clang -### -gmodules -g %s 2>&1 \
// RUN: | FileCheck -check-prefix=GEXTREFS %s
//
// RUN: %clang -### -gline-tables-only -gmodules %s 2>&1 \
// RUN: | FileCheck -check-prefix=GEXTREFS %s
//
// RUN: %clang -### -gmodules -gline-tables-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLTO_ONLY %s
//
// RUN: %clang -### -target %itanium_abi_triple -gmodules -gline-directives-only %s 2>&1 \
// RUN: | FileCheck -check-prefix=GLIO_ONLY %s
//
// G: "-cc1"
// G: "-debug-info-kind=limited"
//
// NOG_PS4: "-cc1"
// NOG_PS4-NOT "-dwarf-version=
// NOG_PS4: "-generate-arange-section"
// NOG_PS4-NOT: "-dwarf-version=
//
// G_PS4: "-cc1"
// G_PS4: "-dwarf-version=
// G_PS4: "-generate-arange-section"
//
// G_ERR: error: unknown argument:
//
// G_NO: "-cc1"
// G_NO-NOT: -debug-info-kind=
//
// GLTO_ONLY: "-cc1"
// GLTO_ONLY-NOT: "-dwarf-ext-refs"
// GLTO_ONLY: "-debug-info-kind=line-tables-only"
// GLTO_ONLY-NOT: "-dwarf-ext-refs"
//
// GLTO_ONLY_DWARF2: "-cc1"
// GLTO_ONLY_DWARF2: "-debug-info-kind=line-tables-only"
// GLTO_ONLY_DWARF2: "-dwarf-version=2"
//
// GLIO_ONLY: "-cc1"
// GLIO_ONLY-NOT: "-dwarf-ext-refs"
// GLIO_ONLY: "-debug-info-kind=line-directives-only"
// GLIO_ONLY-NOT: "-dwarf-ext-refs"
//
// GLIO_ONLY_DWARF2: "-cc1"
// GLIO_ONLY_DWARF2: "-debug-info-kind=line-directives-only"
// GLIO_ONLY_DWARF2: "-dwarf-version=2"
//
// G_ONLY: "-cc1"
// G_ONLY: "-debug-info-kind=limited"
//
// These tests assert that "-gline-tables-only" "-g" uses the latter,
// but otherwise not caring about the DebugInfoKind.
// G_ONLY_DWARF2: "-cc1"
// G_ONLY_DWARF2: "-debug-info-kind={{standalone|limited}}"
// G_ONLY_DWARF2: "-dwarf-version=2"
//
// G_STANDALONE: "-cc1"
// G_STANDALONE: "-debug-info-kind=standalone"
// G_DWARF4: "-dwarf-version=4"
//
// G_GDB: "-debugger-tuning=gdb"
// G_LLDB: "-debugger-tuning=lldb"
// G_SCE: "-debugger-tuning=sce"
//
// G_NOTUNING: "-cc1"
// G_NOTUNING-NOT: "-debugger-tuning="
//
// This tests asserts that "-gline-tables-only" "-g0" disables debug info.
// GLTO_NO: "-cc1"
// GLTO_NO-NOT: -debug-info-kind=
//
// This tests asserts that "-gline-directives-only" "-g0" disables debug info.
// GLIO_NO: "-cc1"
// GLIO_NO-NOT: -debug-info-kind=
//
// GRECORD: "-dwarf-debug-flags"
// GRECORD: -### -c -grecord-gcc-switches
//
// GNO_RECORD-NOT: "-dwarf-debug-flags"
// GNO_RECORD-NOT: -### -c -grecord-gcc-switches
//
// GRECORD_O: "-dwarf-debug-flags"
// GRECORD_O: -### -c -grecord-gcc-switches -o -
//
// GRECORD_OPT: -### -c -O3 -ffunction-sections -grecord-gcc-switches
//
// GIGNORE-NOT: "argument unused during compilation"
//
// GPUB: -ggnu-pubnames
// NOPUB-NOT: -ggnu-pubnames
// NOPUB-NOT: -gpubnames
//
// PUB: -gpubnames
//
// RNGBSE: -fdebug-ranges-base-address
// NORNGBSE-NOT: -fdebug-ranges-base-address
//
// GARANGE: -generate-arange-section
//
// FDTS: "-mllvm" "-generate-type-units"
// FDTSE: error: unsupported option '-fdebug-types-section' for target 'x86_64-apple-darwin'
//
// NOFDTS-NOT: "-mllvm" "-generate-type-units"
// NOFDTSE-NOT: error: unsupported option '-fdebug-types-section' for target 'x86_64-apple-darwin'
//
// CI: "-dwarf-column-info"
//
// NOCI-NOT: "-dwarf-column-info"
//
// GEXTREFS: "-dwarf-ext-refs" "-fmodule-format=obj"
// GEXTREFS: "-debug-info-kind={{standalone|limited}}"
// RUN: not %clang -cc1 -debug-info-kind=watkind 2>&1 | FileCheck -check-prefix=BADSTRING1 %s
// BADSTRING1: error: invalid value 'watkind' in '-debug-info-kind=watkind'
// RUN: not %clang -cc1 -debugger-tuning=gmodal 2>&1 | FileCheck -check-prefix=BADSTRING2 %s
// BADSTRING2: error: invalid value 'gmodal' in '-debugger-tuning=gmodal'
// RUN: %clang -### -fdebug-macro %s 2>&1 | FileCheck -check-prefix=MACRO %s
// RUN: %clang -### -fno-debug-macro %s 2>&1 | FileCheck -check-prefix=NOMACRO %s
// RUN: %clang -### %s 2>&1 | FileCheck -check-prefix=NOMACRO %s
// MACRO: "-debug-info-macro"
// NOMACRO-NOT: "-debug-info-macro"
//
// RUN: %clang -### -gdwarf-5 -gembed-source %s 2>&1 | FileCheck -check-prefix=GEMBED_5 %s
// RUN: %clang -### -gdwarf-2 -gembed-source %s 2>&1 | FileCheck -check-prefix=GEMBED_2 %s
// RUN: %clang -### -gdwarf-5 -gno-embed-source %s 2>&1 | FileCheck -check-prefix=NOGEMBED_5 %s
// RUN: %clang -### -gdwarf-2 -gno-embed-source %s 2>&1 | FileCheck -check-prefix=NOGEMBED_2 %s
//
// GEMBED_5: "-gembed-source"
// GEMBED_2: error: invalid argument '-gembed-source' only allowed with '-gdwarf-5'
// NOGEMBED_5-NOT: "-gembed-source"
// NOGEMBED_2-NOT: error: invalid argument '-gembed-source' only allowed with '-gdwarf-5'
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