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llvm-project/clang/test/Driver/cl-options.c
Reid Kleckner b6bee5164d Make -fstandalone-debug and -flimit-debug-info available in clang-cl 
Our limited debug info optimizations are breaking down at DLL
boundaries, so we're going to evaluate the size impact of these
settings, and possibly change the default.

Users should be able to override our settings, though.

llvm-svn: 281056
2016-09-09 16:42:50 +00:00

527 lines
19 KiB
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// Note: %s must be preceded by --, otherwise it may be interpreted as a
// command-line option, e.g. on Mac where %s is commonly under /Users.
// Alias options:
// RUN: %clang_cl /c -### -- %s 2>&1 | FileCheck -check-prefix=c %s
// c: -c
// RUN: %clang_cl /C -### -- %s 2>&1 | FileCheck -check-prefix=C %s
// C: error: invalid argument '-C' only allowed with '/E, /P or /EP'
// RUN: %clang_cl /C /P -### -- %s 2>&1 | FileCheck -check-prefix=C_P %s
// C_P: "-E"
// C_P: "-C"
// RUN: %clang_cl /Dfoo=bar /D bar=baz /DMYDEF#value /DMYDEF2=foo#bar /DMYDEF3#a=b /DMYDEF4# \
// RUN: -### -- %s 2>&1 | FileCheck -check-prefix=D %s
// D: "-D" "foo=bar"
// D: "-D" "bar=baz"
// D: "-D" "MYDEF=value"
// D: "-D" "MYDEF2=foo#bar"
// D: "-D" "MYDEF3=a=b"
// D: "-D" "MYDEF4="
// RUN: %clang_cl /E -### -- %s 2>&1 | FileCheck -check-prefix=E %s
// E: "-E"
// E: "-o" "-"
// RUN: %clang_cl /EP -### -- %s 2>&1 | FileCheck -check-prefix=EP %s
// EP: "-E"
// EP: "-P"
// EP: "-o" "-"
// RUN: %clang_cl /fp:fast /fp:except -### -- %s 2>&1 | FileCheck -check-prefix=fpexcept %s
// fpexcept-NOT: -menable-unsafe-fp-math
// RUN: %clang_cl /fp:fast /fp:except /fp:except- -### -- %s 2>&1 | FileCheck -check-prefix=fpexcept_ %s
// fpexcept_: -menable-unsafe-fp-math
// RUN: %clang_cl /fp:precise /fp:fast -### -- %s 2>&1 | FileCheck -check-prefix=fpfast %s
// fpfast: -menable-unsafe-fp-math
// fpfast: -ffast-math
// RUN: %clang_cl /fp:fast /fp:precise -### -- %s 2>&1 | FileCheck -check-prefix=fpprecise %s
// fpprecise-NOT: -menable-unsafe-fp-math
// fpprecise-NOT: -ffast-math
// RUN: %clang_cl /fp:fast /fp:strict -### -- %s 2>&1 | FileCheck -check-prefix=fpstrict %s
// fpstrict-NOT: -menable-unsafe-fp-math
// fpstrict-NOT: -ffast-math
// RUN: %clang_cl /Z7 -gcolumn-info -### -- %s 2>&1 | FileCheck -check-prefix=gcolumn %s
// gcolumn: -dwarf-column-info
// RUN: %clang_cl /Z7 -gno-column-info -### -- %s 2>&1 | FileCheck -check-prefix=gnocolumn %s
// gnocolumn-NOT: -dwarf-column-info
// RUN: %clang_cl /Z7 -### -- %s 2>&1 | FileCheck -check-prefix=gdefcolumn %s
// gdefcolumn-NOT: -dwarf-column-info
// RUN: %clang_cl /GA -### -- %s 2>&1 | FileCheck -check-prefix=GA %s
// GA: -ftls-model=local-exec
// RTTI is on by default; just check that we don't error.
// RUN: %clang_cl /Zs /GR -- %s 2>&1
// RUN: %clang_cl /GR- -### -- %s 2>&1 | FileCheck -check-prefix=GR_ %s
// GR_: -fno-rtti
// Security Buffer Check is on by default.
// RUN: %clang_cl -### -- %s 2>&1 | FileCheck -check-prefix=GS-default %s
// GS-default: "-stack-protector" "2"
// RUN: %clang_cl /GS -### -- %s 2>&1 | FileCheck -check-prefix=GS %s
// GS: "-stack-protector" "2"
// RUN: %clang_cl /GS- -### -- %s 2>&1 | FileCheck -check-prefix=GS_ %s
// GS_-NOT: -stack-protector
// RUN: %clang_cl /Gy -### -- %s 2>&1 | FileCheck -check-prefix=Gy %s
// Gy: -ffunction-sections
// RUN: %clang_cl /Gy /Gy- -### -- %s 2>&1 | FileCheck -check-prefix=Gy_ %s
// Gy_-NOT: -ffunction-sections
// RUN: %clang_cl /Gs -### -- %s 2>&1 | FileCheck -check-prefix=Gs %s
// Gs: "-mstack-probe-size=0"
// RUN: %clang_cl /Gs0 -### -- %s 2>&1 | FileCheck -check-prefix=Gs0 %s
// Gs0: "-mstack-probe-size=0"
// RUN: %clang_cl /Gs4096 -### -- %s 2>&1 | FileCheck -check-prefix=Gs4096 %s
// Gs4096: "-mstack-probe-size=4096"
// RUN: %clang_cl /Gw -### -- %s 2>&1 | FileCheck -check-prefix=Gw %s
// Gw: -fdata-sections
// RUN: %clang_cl /Gw /Gw- -### -- %s 2>&1 | FileCheck -check-prefix=Gw_ %s
// Gw_-NOT: -fdata-sections
// RUN: %clang_cl /Imyincludedir -### -- %s 2>&1 | FileCheck -check-prefix=SLASH_I %s
// RUN: %clang_cl /I myincludedir -### -- %s 2>&1 | FileCheck -check-prefix=SLASH_I %s
// SLASH_I: "-I" "myincludedir"
// RUN: %clang_cl /imsvcmyincludedir -### -- %s 2>&1 | FileCheck -check-prefix=SLASH_imsvc %s
// RUN: %clang_cl /imsvc myincludedir -### -- %s 2>&1 | FileCheck -check-prefix=SLASH_imsvc %s
// Clang's resource header directory should be first:
// SLASH_imsvc: "-internal-isystem" "{{[^"]*}}lib{{(64)?/|\\\\}}clang{{[^"]*}}include"
// SLASH_imsvc: "-internal-isystem" "myincludedir"
// RUN: %clang_cl /J -### -- %s 2>&1 | FileCheck -check-prefix=J %s
// J: -fno-signed-char
// RUN: %clang_cl /Ofoo -### -- %s 2>&1 | FileCheck -check-prefix=O %s
// O: /Ofoo
// RUN: %clang_cl /Ob0 -### -- %s 2>&1 | FileCheck -check-prefix=Ob0 %s
// Ob0: -fno-inline
// RUN: %clang_cl /Ob2 -### -- %s 2>&1 | FileCheck -check-prefix=Ob2 %s
// RUN: %clang_cl /Odb2 -### -- %s 2>&1 | FileCheck -check-prefix=Ob2 %s
// RUN: %clang_cl /O2 /Ob2 -### -- %s 2>&1 | FileCheck -check-prefix=Ob2 %s
// Ob2-NOT: warning: argument unused during compilation: '/O2'
// Ob2: -finline-functions
// RUN: %clang_cl /Ob1 -### -- %s 2>&1 | FileCheck -check-prefix=Ob1 %s
// RUN: %clang_cl /Odb1 -### -- %s 2>&1 | FileCheck -check-prefix=Ob1 %s
// Ob1: -finline-hint-functions
// RUN: %clang_cl /Od -### -- %s 2>&1 | FileCheck -check-prefix=Od %s
// Od: -O0
// RUN: %clang_cl /Oi- /Oi -### -- %s 2>&1 | FileCheck -check-prefix=Oi %s
// Oi-NOT: -fno-builtin
// RUN: %clang_cl /Oi- -### -- %s 2>&1 | FileCheck -check-prefix=Oi_ %s
// Oi_: -fno-builtin
// RUN: %clang_cl /Os --target=i686-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Os %s
// RUN: %clang_cl /Os --target=x86_64-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Os %s
// Os-NOT: -mdisable-fp-elim
// Os: -momit-leaf-frame-pointer
// Os: -Os
// RUN: %clang_cl /Ot --target=i686-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Ot %s
// RUN: %clang_cl /Ot --target=x86_64-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Ot %s
// Ot-NOT: -mdisable-fp-elim
// Ot: -momit-leaf-frame-pointer
// Ot: -O2
// RUN: %clang_cl /Ox --target=i686-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Ox %s
// RUN: %clang_cl /Ox --target=x86_64-pc-windows-msvc -### -- %s 2>&1 | FileCheck -check-prefix=Ox %s
// Ox-NOT: -mdisable-fp-elim
// Ox: -momit-leaf-frame-pointer
// Ox: -O2
// RUN: %clang_cl --target=i686-pc-win32 /O2sy- -### -- %s 2>&1 | FileCheck -check-prefix=PR24003 %s
// PR24003: -mdisable-fp-elim
// PR24003: -momit-leaf-frame-pointer
// PR24003: -Os
// RUN: %clang_cl --target=i686-pc-win32 -Werror /Oy- /O2 -### -- %s 2>&1 | FileCheck -check-prefix=Oy_2 %s
// Oy_2: -momit-leaf-frame-pointer
// Oy_2: -O2
// RUN: %clang_cl /Zs -Werror /Oy -- %s 2>&1
// RUN: %clang_cl --target=i686-pc-win32 -Werror /Oy- -### -- %s 2>&1 | FileCheck -check-prefix=Oy_ %s
// Oy_: -mdisable-fp-elim
// RUN: %clang_cl /Qvec -### -- %s 2>&1 | FileCheck -check-prefix=Qvec %s
// Qvec: -vectorize-loops
// RUN: %clang_cl /Qvec /Qvec- -### -- %s 2>&1 | FileCheck -check-prefix=Qvec_ %s
// Qvec_-NOT: -vectorize-loops
// RUN: %clang_cl /showIncludes -### -- %s 2>&1 | FileCheck -check-prefix=showIncludes %s
// showIncludes: --show-includes
// RUN: %clang_cl /E /showIncludes -### -- %s 2>&1 | FileCheck -check-prefix=showIncludes_E %s
// RUN: %clang_cl /EP /showIncludes -### -- %s 2>&1 | FileCheck -check-prefix=showIncludes_E %s
// showIncludes_E: warning: argument unused during compilation: '--show-includes'
// /source-charset: should warn on everything except UTF-8.
// RUN: %clang_cl /source-charset:utf-16 -### -- %s 2>&1 | FileCheck -check-prefix=source-charset-utf-16 %s
// source-charset-utf-16: invalid value 'utf-16'
// /execution-charset: should warn on everything except UTF-8.
// RUN: %clang_cl /execution-charset:utf-16 -### -- %s 2>&1 | FileCheck -check-prefix=execution-charset-utf-16 %s
// execution-charset-utf-16: invalid value 'utf-16'
//
// RUN: %clang_cl /Umymacro -### -- %s 2>&1 | FileCheck -check-prefix=U %s
// RUN: %clang_cl /U mymacro -### -- %s 2>&1 | FileCheck -check-prefix=U %s
// U: "-U" "mymacro"
// RUN: %clang_cl /validate-charset -### -- %s 2>&1 | FileCheck -check-prefix=validate-charset %s
// validate-charset: -Winvalid-source-encoding
// RUN: %clang_cl /validate-charset- -### -- %s 2>&1 | FileCheck -check-prefix=validate-charset_ %s
// validate-charset_: -Wno-invalid-source-encoding
// RUN: %clang_cl /vd2 -### -- %s 2>&1 | FileCheck -check-prefix=VD2 %s
// VD2: -vtordisp-mode=2
// RUN: %clang_cl /vmg -### -- %s 2>&1 | FileCheck -check-prefix=VMG %s
// VMG: "-fms-memptr-rep=virtual"
// RUN: %clang_cl /vmg /vms -### -- %s 2>&1 | FileCheck -check-prefix=VMS %s
// VMS: "-fms-memptr-rep=single"
// RUN: %clang_cl /vmg /vmm -### -- %s 2>&1 | FileCheck -check-prefix=VMM %s
// VMM: "-fms-memptr-rep=multiple"
// RUN: %clang_cl /vmg /vmv -### -- %s 2>&1 | FileCheck -check-prefix=VMV %s
// VMV: "-fms-memptr-rep=virtual"
// RUN: %clang_cl /vmg /vmb -### -- %s 2>&1 | FileCheck -check-prefix=VMB %s
// VMB: '/vmg' not allowed with '/vmb'
// RUN: %clang_cl /vmg /vmm /vms -### -- %s 2>&1 | FileCheck -check-prefix=VMX %s
// VMX: '/vms' not allowed with '/vmm'
// RUN: %clang_cl /volatile:iso -### -- %s 2>&1 | FileCheck -check-prefix=VOLATILE-ISO %s
// VOLATILE-ISO-NOT: "-fms-volatile"
// RUN: %clang_cl /volatile:ms -### -- %s 2>&1 | FileCheck -check-prefix=VOLATILE-MS %s
// VOLATILE-MS: "-fms-volatile"
// RUN: %clang_cl /W0 -### -- %s 2>&1 | FileCheck -check-prefix=W0 %s
// W0: -w
// RUN: %clang_cl /W1 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /W2 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /W3 -### -- %s 2>&1 | FileCheck -check-prefix=W1 %s
// RUN: %clang_cl /W4 -### -- %s 2>&1 | FileCheck -check-prefix=W4 %s
// RUN: %clang_cl /Wall -### -- %s 2>&1 | FileCheck -check-prefix=W4 %s
// W1: -Wall
// W4: -WCL4
// RUN: %clang_cl /WX -### -- %s 2>&1 | FileCheck -check-prefix=WX %s
// WX: -Werror
// RUN: %clang_cl /WX- -### -- %s 2>&1 | FileCheck -check-prefix=WX_ %s
// WX_: -Wno-error
// RUN: %clang_cl /w -### -- %s 2>&1 | FileCheck -check-prefix=w %s
// w: -w
// RUN: %clang_cl /Zp -### -- %s 2>&1 | FileCheck -check-prefix=ZP %s
// ZP: -fpack-struct=1
// RUN: %clang_cl /Zp2 -### -- %s 2>&1 | FileCheck -check-prefix=ZP2 %s
// ZP2: -fpack-struct=2
// RUN: %clang_cl /Zs -### -- %s 2>&1 | FileCheck -check-prefix=Zs %s
// Zs: -fsyntax-only
// RUN: %clang_cl /FIasdf.h -### -- %s 2>&1 | FileCheck -check-prefix=FI %s
// FI: "-include" "asdf.h"
// RUN: %clang_cl /FI asdf.h -### -- %s 2>&1 | FileCheck -check-prefix=FI_ %s
// FI_: "-include" "asdf.h"
// RUN: %clang_cl /TP /c -### -- %s 2>&1 | FileCheck -check-prefix=NO-GX %s
// NO-GX-NOT: "-fcxx-exceptions" "-fexceptions"
// RUN: %clang_cl /TP /c /GX -### -- %s 2>&1 | FileCheck -check-prefix=GX %s
// GX: "-fcxx-exceptions" "-fexceptions"
// RUN: %clang_cl /TP /c /GX /GX- -### -- %s 2>&1 | FileCheck -check-prefix=GX_ %s
// GX_-NOT: "-fcxx-exceptions" "-fexceptions"
// We forward any unrecognized -W diagnostic options to cc1.
// RUN: %clang_cl -Wunused-pragmas -### -- %s 2>&1 | FileCheck -check-prefix=WJoined %s
// WJoined: "-cc1"
// WJoined: "-Wunused-pragmas"
// We recognize -f[no-]strict-aliasing.
// RUN: %clang_cl -c -### -- %s 2>&1 | FileCheck -check-prefix=DEFAULTSTRICT %s
// DEFAULTSTRICT: "-relaxed-aliasing"
// RUN: %clang_cl -c -fstrict-aliasing -### -- %s 2>&1 | FileCheck -check-prefix=STRICT %s
// STRICT-NOT: "-relaxed-aliasing"
// RUN: %clang_cl -c -fno-strict-aliasing -### -- %s 2>&1 | FileCheck -check-prefix=NOSTRICT %s
// NOSTRICT: "-relaxed-aliasing"
// For some warning ids, we can map from MSVC warning to Clang warning.
// RUN: %clang_cl -wd4005 -wd4100 -wd4910 -wd4996 -### -- %s 2>&1 | FileCheck -check-prefix=Wno %s
// Wno: "-cc1"
// Wno: "-Wno-macro-redefined"
// Wno: "-Wno-unused-parameter"
// Wno: "-Wno-dllexport-explicit-instantiation-decl"
// Wno: "-Wno-deprecated-declarations"
// Ignored options. Check that we don't get "unused during compilation" errors.
// RUN: %clang_cl /c \
// RUN: /analyze- \
// RUN: /bigobj \
// RUN: /cgthreads4 \
// RUN: /cgthreads8 \
// RUN: /d2FastFail \
// RUN: /d2Zi+ \
// RUN: /errorReport:foo \
// RUN: /execution-charset:utf-8 \
// RUN: /FC \
// RUN: /Fdfoo \
// RUN: /FS \
// RUN: /Gd \
// RUN: /GF \
// RUN: /GS- \
// RUN: /kernel- \
// RUN: /nologo \
// RUN: /openmp- \
// RUN: /RTC1 \
// RUN: /sdl \
// RUN: /sdl- \
// RUN: /source-charset:utf-8 \
// RUN: /utf-8 \
// RUN: /vmg \
// RUN: /volatile:iso \
// RUN: /w12345 \
// RUN: /wd1234 \
// RUN: /Zo \
// RUN: /Zo- \
// RUN: -### -- %s 2>&1 | FileCheck -check-prefix=IGNORED %s
// IGNORED-NOT: argument unused during compilation
// IGNORED-NOT: no such file or directory
// Don't confuse /openmp- with the /o flag:
// IGNORED-NOT: "-o" "penmp-.obj"
// Ignored options and compile-only options are ignored for link jobs.
// RUN: touch %t.obj
// RUN: %clang_cl /nologo -### -- %t.obj 2>&1 | FileCheck -check-prefix=LINKUNUSED %s
// RUN: %clang_cl /Dfoo -### -- %t.obj 2>&1 | FileCheck -check-prefix=LINKUNUSED %s
// RUN: %clang_cl /MD -### -- %t.obj 2>&1 | FileCheck -check-prefix=LINKUNUSED %s
// LINKUNUSED-NOT: argument unused during compilation
// Support ignoring warnings about unused arguments.
// RUN: %clang_cl /Abracadabra -Qunused-arguments -### -- %s 2>&1 | FileCheck -check-prefix=UNUSED %s
// UNUSED-NOT: argument unused during compilation
// Unsupported but parsed options. Check that we don't error on them.
// (/Zs is for syntax-only)
// RUN: %clang_cl /Zs \
// RUN: /AIfoo \
// RUN: /clr:pure \
// RUN: /docname \
// RUN: /EHsc \
// RUN: /F \
// RUN: /FA \
// RUN: /FAc \
// RUN: /Fafilename \
// RUN: /FAs \
// RUN: /FAu \
// RUN: /favor:blend \
// RUN: /Fifoo \
// RUN: /Fmfoo \
// RUN: /FpDebug\main.pch \
// RUN: /Frfoo \
// RUN: /FRfoo \
// RUN: /FU foo \
// RUN: /Fx \
// RUN: /G1 \
// RUN: /G2 \
// RUN: /GA \
// RUN: /Gd \
// RUN: /Ge \
// RUN: /Gh \
// RUN: /GH \
// RUN: /GL \
// RUN: /GL- \
// RUN: /Gm \
// RUN: /Gm- \
// RUN: /Gr \
// RUN: /GS \
// RUN: /GT \
// RUN: /guard:cf \
// RUN: /guard:cf- \
// RUN: /GX \
// RUN: /Gv \
// RUN: /Gz \
// RUN: /GZ \
// RUN: /H \
// RUN: /homeparams \
// RUN: /hotpatch \
// RUN: /kernel \
// RUN: /LN \
// RUN: /MP \
// RUN: /o foo.obj \
// RUN: /ofoo.obj \
// RUN: /openmp \
// RUN: /Qfast_transcendentals \
// RUN: /QIfist \
// RUN: /Qimprecise_fwaits \
// RUN: /Qpar \
// RUN: /Qvec-report:2 \
// RUN: /u \
// RUN: /V \
// RUN: /volatile:ms \
// RUN: /wfoo \
// RUN: /WL \
// RUN: /Wp64 \
// RUN: /X \
// RUN: /Y- \
// RUN: /Yc \
// RUN: /Ycstdafx.h \
// RUN: /Yd \
// RUN: /Yl- \
// RUN: /Ylfoo \
// RUN: /Yustdafx.h \
// RUN: /Z7 \
// RUN: /Za \
// RUN: /Ze \
// RUN: /Zg \
// RUN: /Zi \
// RUN: /ZI \
// RUN: /Zl \
// RUN: /ZW:nostdlib \
// RUN: -- %s 2>&1
// We support -Xclang for forwarding options to cc1.
// RUN: %clang_cl -Xclang hellocc1 -### -- %s 2>&1 | FileCheck -check-prefix=Xclang %s
// Xclang: "-cc1"
// Xclang: "hellocc1"
// RTTI is on by default. /GR- controls -fno-rtti-data.
// RUN: %clang_cl /c /GR- -### -- %s 2>&1 | FileCheck -check-prefix=NoRTTI %s
// NoRTTI: "-fno-rtti-data"
// NoRTTI-NOT: "-fno-rtti"
// RUN: %clang_cl /c /GR -### -- %s 2>&1 | FileCheck -check-prefix=RTTI %s
// RTTI-NOT: "-fno-rtti-data"
// RTTI-NOT: "-fno-rtti"
// thread safe statics are off for versions < 19.
// RUN: %clang_cl /c -### -fms-compatibility-version=18 -- %s 2>&1 | FileCheck -check-prefix=NoThreadSafeStatics %s
// RUN: %clang_cl /Zc:threadSafeInit /Zc:threadSafeInit- /c -### -- %s 2>&1 | FileCheck -check-prefix=NoThreadSafeStatics %s
// NoThreadSafeStatics: "-fno-threadsafe-statics"
// RUN: %clang_cl /Zc:threadSafeInit /c -### -- %s 2>&1 | FileCheck -check-prefix=ThreadSafeStatics %s
// ThreadSafeStatics-NOT: "-fno-threadsafe-statics"
// RUN: %clang_cl /Zi /c -### -- %s 2>&1 | FileCheck -check-prefix=Zi %s
// Zi: "-gcodeview"
// Zi: "-debug-info-kind=limited"
// RUN: %clang_cl /Z7 /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7 %s
// Z7: "-gcodeview"
// Z7: "-debug-info-kind=limited"
// RUN: %clang_cl /Zd /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7GMLT %s
// Z7GMLT: "-gcodeview"
// Z7GMLT: "-debug-info-kind=line-tables-only"
// RUN: %clang_cl -gline-tables-only /c -### -- %s 2>&1 | FileCheck -check-prefix=ZGMLT %s
// ZGMLT: "-gcodeview"
// ZGMLT: "-debug-info-kind=line-tables-only"
// RUN: %clang_cl /c -### -- %s 2>&1 | FileCheck -check-prefix=BreproDefault %s
// BreproDefault: "-mincremental-linker-compatible"
// RUN: %clang_cl /Brepro- /Brepro /c '-###' -- %s 2>&1 | FileCheck -check-prefix=Brepro %s
// Brepro-NOT: "-mincremental-linker-compatible"
// RUN: %clang_cl /Brepro /Brepro- /c '-###' -- %s 2>&1 | FileCheck -check-prefix=Brepro_ %s
// Brepro_: "-mincremental-linker-compatible"
// This test was super sneaky: "/Z7" means "line-tables", but "-gdwarf" occurs
// later on the command line, so it should win. Interestingly the cc1 arguments
// came out right, but had wrong semantics, because an invariant assumed by
// CompilerInvocation was violated: it expects that at most one of {gdwarfN,
// line-tables-only} appear. If you assume that, then you can safely use
// Args.hasArg to test whether a boolean flag is present without caring
// where it appeared. And for this test, it appeared to the left of -gdwarf
// which made it "win". This test could not detect that bug.
// RUN: %clang_cl /Z7 -gdwarf /c -### -- %s 2>&1 | FileCheck -check-prefix=Z7_gdwarf %s
// Z7_gdwarf: "-gcodeview"
// Z7_gdwarf: "-debug-info-kind=limited"
// Z7_gdwarf: "-dwarf-version=4"
// RUN: %clang_cl -fmsc-version=1800 -TP -### -- %s 2>&1 | FileCheck -check-prefix=CXX11 %s
// CXX11: -std=c++11
// RUN: %clang_cl -fmsc-version=1900 -TP -### -- %s 2>&1 | FileCheck -check-prefix=CXX14 %s
// CXX14: -std=c++14
// RUN: %clang_cl -fmsc-version=1900 -TP -std:c++14 -### -- %s 2>&1 | FileCheck -check-prefix=STDCXX14 %s
// STDCXX14: -std=c++14
// RUN: %clang_cl -fmsc-version=1900 -TP -std:c++latest -### -- %s 2>&1 | FileCheck -check-prefix=STDCXXLATEST %s
// STDCXXLATEST: -std=c++1z
// RUN: env CL="/Gy" %clang_cl -### -- %s 2>&1 | FileCheck -check-prefix=ENV-CL %s
// ENV-CL: "-ffunction-sections"
// RUN: env CL="/Gy" _CL_="/Gy- -- %s" %clang_cl -### 2>&1 | FileCheck -check-prefix=ENV-_CL_ %s
// ENV-_CL_-NOT: "-ffunction-sections"
// RUN: env CL="%s" _CL_="%s" not %clang --rsp-quoting=windows -c
// Accept "core" clang options.
// (/Zs is for syntax-only, -Werror makes it fail hard on unknown options)
// RUN: %clang_cl \
// RUN: --driver-mode=cl \
// RUN: -fcolor-diagnostics \
// RUN: -fno-color-diagnostics \
// RUN: -fdiagnostics-color \
// RUN: -fno-diagnostics-color \
// RUN: -fdiagnostics-parseable-fixits \
// RUN: -fdiagnostics-absolute-paths \
// RUN: -ferror-limit=10 \
// RUN: -fmsc-version=1800 \
// RUN: -fno-strict-aliasing \
// RUN: -fstrict-aliasing \
// RUN: -fsyntax-only \
// RUN: -fms-compatibility \
// RUN: -fno-ms-compatibility \
// RUN: -fms-extensions \
// RUN: -fno-ms-extensions \
// RUN: -mllvm -disable-llvm-optzns \
// RUN: -resource-dir \
// RUN: -Wunused-variable \
// RUN: -fmacro-backtrace-limit=0 \
// RUN: -fstandalone-debug \
// RUN: -flimit-debug-info \
// RUN: -Werror /Zs -- %s 2>&1
void f() { }
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