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      1 // REQUIRES: clang-driver
      2 
      3 // RUN: %clang -### -S -fasm -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fblocks -fbuiltin -fmath-errno -fcommon -fpascal-strings -fsplit-stack %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS1 %s
      4 // RUN: %clang -### -S -fasm -fblocks -fbuiltin -fno-math-errno -fcommon -fpascal-strings -fno-asm -fno-blocks -fno-builtin -fmath-errno -fno-common -fno-pascal-strings -fno-show-source-location -fshort-enums -fshort-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-OPTIONS2 %s
      5 
      6 // CHECK-OPTIONS1: -split-stacks
      7 // CHECK-OPTIONS1: -fgnu-keywords
      8 // CHECK-OPTIONS1: -fblocks
      9 // CHECK-OPTIONS1: -fpascal-strings
     10 
     11 // CHECK-OPTIONS2: -fmath-errno
     12 // CHECK-OPTIONS2: -fno-gnu-keywords
     13 // CHECK-OPTIONS2: -fno-builtin
     14 // CHECK-OPTIONS2: -fshort-enums
     15 // CHECK-OPTIONS2: -fshort-wchar
     16 // CHECK-OPTIONS2: -fno-common
     17 // CHECK-OPTIONS2: -fno-show-source-location
     18 
     19 // RUN: %clang -### -S -Wwrite-strings %s 2>&1 | FileCheck -check-prefix=WRITE-STRINGS1 %s
     20 // WRITE-STRINGS1: -fconst-strings
     21 // RUN: %clang -### -S -Wwrite-strings -Wno-write-strings %s 2>&1 | FileCheck -check-prefix=WRITE-STRINGS2 %s
     22 // WRITE-STRINGS2-NOT: -fconst-strings
     23 // RUN: %clang -### -S -Wwrite-strings -w %s 2>&1 | FileCheck -check-prefix=WRITE-STRINGS3 %s
     24 // WRITE-STRINGS3-NOT: -fconst-strings
     25 
     26 // RUN: %clang -### -x c++ -c %s 2>&1 | FileCheck -check-prefix=DEPRECATED-ON-CHECK %s
     27 // RUN: %clang -### -x c++ -c -Wdeprecated %s 2>&1 | FileCheck -check-prefix=DEPRECATED-ON-CHECK %s
     28 // RUN: %clang -### -x c++ -c -Wno-deprecated %s 2>&1 | FileCheck -check-prefix=DEPRECATED-OFF-CHECK %s
     29 // RUN: %clang -### -x c++ -c -Wno-deprecated -Wdeprecated %s 2>&1 | FileCheck -check-prefix=DEPRECATED-ON-CHECK %s
     30 // RUN: %clang -### -x c++ -c -w %s 2>&1 | FileCheck -check-prefix=DEPRECATED-ON-CHECK %s
     31 // RUN: %clang -### -c %s 2>&1 | FileCheck -check-prefix=DEPRECATED-OFF-CHECK %s
     32 // RUN: %clang -### -c -Wdeprecated %s 2>&1 | FileCheck -check-prefix=DEPRECATED-OFF-CHECK %s
     33 // DEPRECATED-ON-CHECK: -fdeprecated-macro
     34 // DEPRECATED-OFF-CHECK-NOT: -fdeprecated-macro
     35 
     36 // RUN: %clang -### -S -ffp-contract=fast %s 2>&1 | FileCheck -check-prefix=FP-CONTRACT-FAST-CHECK %s
     37 // RUN: %clang -### -S -ffast-math %s 2>&1 | FileCheck -check-prefix=FP-CONTRACT-FAST-CHECK %s
     38 // RUN: %clang -### -S -ffp-contract=off %s 2>&1 | FileCheck -check-prefix=FP-CONTRACT-OFF-CHECK %s
     39 // FP-CONTRACT-FAST-CHECK: -ffp-contract=fast
     40 // FP-CONTRACT-OFF-CHECK: -ffp-contract=off
     41 
     42 // RUN: %clang -### -S -funroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-UNROLL-LOOPS %s
     43 // RUN: %clang -### -S -fno-unroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-NO-UNROLL-LOOPS %s
     44 // RUN: %clang -### -S -fno-unroll-loops -funroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-UNROLL-LOOPS %s
     45 // RUN: %clang -### -S -funroll-loops -fno-unroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-NO-UNROLL-LOOPS %s
     46 // CHECK-UNROLL-LOOPS: "-funroll-loops"
     47 // CHECK-NO-UNROLL-LOOPS: "-fno-unroll-loops"
     48 
     49 // RUN: %clang -### -S -freroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-REROLL-LOOPS %s
     50 // RUN: %clang -### -S -fno-reroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-NO-REROLL-LOOPS %s
     51 // RUN: %clang -### -S -fno-reroll-loops -freroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-REROLL-LOOPS %s
     52 // RUN: %clang -### -S -freroll-loops -fno-reroll-loops %s 2>&1 | FileCheck -check-prefix=CHECK-NO-REROLL-LOOPS %s
     53 // CHECK-REROLL-LOOPS: "-freroll-loops"
     54 // CHECK-NO-REROLL-LOOPS-NOT: "-freroll-loops"
     55 
     56 // RUN: %clang -### -S -fprofile-sample-use=%S/Inputs/file.prof %s 2>&1 | FileCheck -check-prefix=CHECK-SAMPLE-PROFILE %s
     57 // CHECK-SAMPLE-PROFILE: "-fprofile-sample-use={{.*}}/file.prof"
     58 
     59 // RUN: %clang -### -S -fauto-profile=%S/Inputs/file.prof %s 2>&1 | FileCheck -check-prefix=CHECK-AUTO-PROFILE %s
     60 // CHECK-AUTO-PROFILE: "-fprofile-sample-use={{.*}}/file.prof"
     61 
     62 // RUN: %clang -### -S -fprofile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-ARCS %s
     63 // RUN: %clang -### -S -fno-profile-arcs -fprofile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-ARCS %s
     64 // RUN: %clang -### -S -fno-profile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-NO-PROFILE-ARCS %s
     65 // RUN: %clang -### -S -fprofile-arcs -fno-profile-arcs %s 2>&1 | FileCheck -check-prefix=CHECK-NO-PROFILE-ARCS %s
     66 // CHECK-PROFILE-ARCS: "-femit-coverage-data"
     67 // CHECK-NO-PROFILE-ARCS-NOT: "-femit-coverage-data"
     68 
     69 // RUN: %clang -### -S -fprofile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE %s
     70 // RUN: %clang -### -S -fprofile-instr-generate %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE %s
     71 // RUN: %clang -### -S -fprofile-generate=/some/dir %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE-DIR %s
     72 // RUN: %clang -### -S -fprofile-instr-generate=/tmp/somefile.profraw %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE-FILE %s
     73 // RUN: %clang -### -S -fprofile-generate -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     74 // RUN: %clang -### -S -fprofile-generate -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     75 // RUN: %clang -### -S -fprofile-generate -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     76 // RUN: %clang -### -S -fprofile-generate -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     77 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     78 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     79 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     80 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     81 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     82 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     83 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     84 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     85 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     86 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     87 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     88 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
     89 // RUN: %clang -### -S -fprofile-instr-generate=file -fno-profile-instr-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
     90 // RUN: %clang -### -S -fprofile-instr-generate=file -fno-profile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
     91 // RUN: %clang -### -S -fprofile-generate=dir -fno-profile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
     92 // RUN: %clang -### -S -fprofile-generate=dir -fno-profile-instr-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
     93 // RUN: %clang -### -S -fprofile-instr-use=file -fno-profile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
     94 // RUN: %clang -### -S -fprofile-instr-use=file -fno-profile-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
     95 // RUN: %clang -### -S -fprofile-use=file -fno-profile-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
     96 // RUN: %clang -### -S -fprofile-use=file -fno-profile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
     97 // RUN: %clang -### -S -fcoverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-COVERAGE-AND-GEN %s
     98 // RUN: %clang -### -S -fcoverage-mapping -fno-coverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-COVERAGE %s
     99 // RUN: %clang -### -S -fprofile-instr-generate -fcoverage-mapping -fno-coverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-COVERAGE %s
    100 // CHECK-PROFILE-GENERATE: "-fprofile-instr-generate"
    101 // CHECK-PROFILE-GENERATE-DIR: "-fprofile-instr-generate=/some/dir{{/|\\\\}}default.profraw"
    102 // CHECK-PROFILE-GENERATE-FILE: "-fprofile-instr-generate=/tmp/somefile.profraw"
    103 // CHECK-NO-MIX-GEN-USE: '{{[a-z=-]*}}' not allowed with '{{[a-z=-]*}}'
    104 // CHECK-DISABLE-GEN-NOT: "-fprofile-instr-generate"
    105 // CHECK-DISABLE-USE-NOT: "-fprofile-instr-use"
    106 // CHECK-COVERAGE-AND-GEN: '-fcoverage-mapping' only allowed with '-fprofile-instr-generate'
    107 // CHECK-DISABLE-COVERAGE-NOT: "-fcoverage-mapping"
    108 
    109 // RUN: %clang -### -S -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE %s
    110 // RUN: %clang -### -S -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE %s
    111 // RUN: mkdir -p %t.d/some/dir
    112 // RUN: %clang -### -S -fprofile-use=%t.d/some/dir %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE-DIR %s
    113 // RUN: %clang -### -S -fprofile-instr-use=/tmp/somefile.prof %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE-FILE %s
    114 // CHECK-PROFILE-USE: "-fprofile-instr-use=default.profdata"
    115 // CHECK-PROFILE-USE-DIR: "-fprofile-instr-use={{.*}}.d/some/dir{{/|\\\\}}default.profdata"
    116 // CHECK-PROFILE-USE-FILE: "-fprofile-instr-use=/tmp/somefile.prof"
    117 
    118 // RUN: %clang -### -S -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    119 // RUN: %clang -### -S -fno-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    120 // RUN: %clang -### -S -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    121 // RUN: %clang -### -S -fvectorize -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    122 // RUN: %clang -### -S -ftree-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    123 // RUN: %clang -### -S -fno-tree-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    124 // RUN: %clang -### -S -fno-tree-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    125 // RUN: %clang -### -S -ftree-vectorize -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    126 // RUN: %clang -### -S -O %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    127 // RUN: %clang -### -S -O2 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    128 // RUN: %clang -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    129 // RUN: %clang -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    130 // RUN: %clang -### -S -fno-vectorize -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    131 // RUN: %clang -### -S -O1 -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    132 // RUN: %clang -### -S -Ofast %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
    133 // RUN: %clang -### -S %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    134 // RUN: %clang -### -S -O0 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    135 // RUN: %clang -### -S -O1 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    136 // RUN: %clang -### -S -Oz %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
    137 // CHECK-VECTORIZE: "-vectorize-loops"
    138 // CHECK-NO-VECTORIZE-NOT: "-vectorize-loops"
    139 
    140 // RUN: %clang -### -S -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    141 // RUN: %clang -### -S -fno-slp-vectorize -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    142 // RUN: %clang -### -S -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    143 // RUN: %clang -### -S -fslp-vectorize -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    144 // RUN: %clang -### -S -ftree-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    145 // RUN: %clang -### -S -fno-tree-slp-vectorize -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    146 // RUN: %clang -### -S -fno-tree-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    147 // RUN: %clang -### -S -ftree-slp-vectorize -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    148 // RUN: %clang -### -S -O %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    149 // RUN: %clang -### -S -O2 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    150 // RUN: %clang -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    151 // RUN: %clang -### -S -Oz %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    152 // RUN: %clang -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    153 // RUN: %clang -### -S -fno-slp-vectorize -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    154 // RUN: %clang -### -S -O1 -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    155 // RUN: %clang -### -S -Ofast %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
    156 // RUN: %clang -### -S %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    157 // RUN: %clang -### -S -O0 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    158 // RUN: %clang -### -S -O1 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
    159 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
    160 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
    161 
    162 // RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
    163 // RUN: %clang -### -S -fno-slp-vectorize-aggressive -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
    164 // RUN: %clang -### -S -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
    165 // RUN: %clang -### -S -fslp-vectorize-aggressive -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
    166 // CHECK-SLP-VECTORIZE-AGG: "-vectorize-slp-aggressive"
    167 // CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
    168 
    169 // RUN: %clang -### -S -fextended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-EXTENDED-IDENTIFIERS %s
    170 // RUN: %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
    171 // CHECK-EXTENDED-IDENTIFIERS: "-cc1"
    172 // CHECK-EXTENDED-IDENTIFIERS-NOT: "-fextended-identifiers"
    173 // CHECK-NO-EXTENDED-IDENTIFIERS: error: unsupported option '-fno-extended-identifiers'
    174 
    175 // RUN: %clang -### -S -fno-pascal-strings -mpascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-M-PASCAL-STRINGS %s
    176 // CHECK-M-PASCAL-STRINGS: "-fpascal-strings"
    177 
    178 // RUN: %clang -### -S -fpascal-strings -mno-pascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-NO-M-PASCAL-STRINGS %s
    179 // CHECK-NO-M-PASCAL-STRINGS-NOT: "-fpascal-strings"
    180 
    181 // RUN: %clang -### -S -O4 %s 2>&1 | FileCheck -check-prefix=CHECK-MAX-O %s
    182 // CHECK-MAX-O: warning: -O4 is equivalent to -O3
    183 // CHECK-MAX-O: -O3
    184 
    185 // RUN: %clang -S -O20 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-O %s
    186 // CHECK-INVALID-O: warning: optimization level '-O20' is not supported; using '-O3' instead
    187 
    188 // RUN: %clang -### -S -finput-charset=iso-8859-1 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-CHARSET %s
    189 // CHECK-INVALID-CHARSET: error: invalid value 'iso-8859-1' in '-finput-charset=iso-8859-1'
    190 
    191 // RUN: %clang -### -S -fexec-charset=iso-8859-1 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-INPUT-CHARSET %s
    192 // CHECK-INVALID-INPUT-CHARSET: error: invalid value 'iso-8859-1' in '-fexec-charset=iso-8859-1'
    193 
    194 // Test that we don't error on these.
    195 // RUN: %clang -### -S -Werror                                                \
    196 // RUN:     -falign-functions -falign-functions=2 -fno-align-functions        \
    197 // RUN:     -fasynchronous-unwind-tables -fno-asynchronous-unwind-tables      \
    198 // RUN:     -fbuiltin -fno-builtin                                            \
    199 // RUN:     -fdiagnostics-show-location=once                                  \
    200 // RUN:     -ffloat-store -fno-float-store                                    \
    201 // RUN:     -feliminate-unused-debug-types -fno-eliminate-unused-debug-types  \
    202 // RUN:     -fgcse -fno-gcse                                                  \
    203 // RUN:     -fident -fno-ident                                                \
    204 // RUN:     -fimplicit-templates -fno-implicit-templates                      \
    205 // RUN:     -finput-charset=UTF-8                                             \
    206 // RUN:     -fexec-charset=UTF-8                                             \
    207 // RUN:     -fivopts -fno-ivopts                                              \
    208 // RUN:     -fnon-call-exceptions -fno-non-call-exceptions                    \
    209 // RUN:     -fpermissive -fno-permissive                                      \
    210 // RUN:     -fdefer-pop -fno-defer-pop                                        \
    211 // RUN:     -fprefetch-loop-arrays -fno-prefetch-loop-arrays                  \
    212 // RUN:     -fprofile-correction -fno-profile-correction                      \
    213 // RUN:     -fprofile-dir=bar                                                 \
    214 // RUN:     -fprofile-values -fno-profile-values                              \
    215 // RUN:     -frounding-math -fno-rounding-math                                \
    216 // RUN:     -fsee -fno-see                                                    \
    217 // RUN:     -ftracer -fno-tracer                                              \
    218 // RUN:     -funroll-all-loops -fno-unroll-all-loops                          \
    219 // RUN:     -fuse-ld=gold                                                     \
    220 // RUN:     -fno-builtin-foobar                                               \
    221 // RUN:     -fno-builtin-strcat -fno-builtin-strcpy                           \
    222 // RUN:     -fno-var-tracking                                                 \
    223 // RUN:     -fno-unsigned-char                                                \
    224 // RUN:     -fno-signed-char                                                  \
    225 // RUN:     -fstrength-reduce -fno-strength-reduce                            \
    226 // RUN:     -finline-limit=1000                                               \
    227 // RUN:     -finline-limit                                                    \
    228 // RUN:     -flto=1                                                           \
    229 // RUN:     -falign-labels                                                    \
    230 // RUN:     -falign-labels=100                                                \
    231 // RUN:     -falign-loops                                                     \
    232 // RUN:     -falign-loops=100                                                 \
    233 // RUN:     -falign-jumps                                                     \
    234 // RUN:     -falign-jumps=100                                                 \
    235 // RUN:     -fexcess-precision=100                                            \
    236 // RUN:     -fbranch-count-reg                                                \
    237 // RUN:     -fcaller-saves                                                    \
    238 // RUN:     -fno-default-inline -fdefault-inline                              \
    239 // RUN:     -fgcse-after-reload                                               \
    240 // RUN:     -fgcse-las                                                        \
    241 // RUN:     -fgcse-sm                                                         \
    242 // RUN:     -fipa-cp                                                          \
    243 // RUN:     -finline-functions-called-once                                    \
    244 // RUN:     -fmodulo-sched                                                    \
    245 // RUN:     -fmodulo-sched-allow-regmoves                                     \
    246 // RUN:     -fpeel-loops                                                      \
    247 // RUN:     -frename-registers                                                \
    248 // RUN:     -fschedule-insns2                                                 \
    249 // RUN:     -fsingle-precision-constant                                       \
    250 // RUN:     -ftree_loop_im                                                    \
    251 // RUN:     -ftree_loop_ivcanon                                               \
    252 // RUN:     -ftree_loop_linear                                                \
    253 // RUN:     -funsafe-loop-optimizations                                       \
    254 // RUN:     -fuse-linker-plugin                                               \
    255 // RUN:     -fvect-cost-model                                                 \
    256 // RUN:     -fvariable-expansion-in-unroller                                  \
    257 // RUN:     -fweb                                                             \
    258 // RUN:     -fwhole-program                                                   \
    259 // RUN:     -fno-tree-dce -ftree-dce                                          \
    260 // RUN:     -fno-tree-ter -ftree-ter                                          \
    261 // RUN:     -fno-tree-vrp -ftree-vrp                                          \
    262 // RUN:     -fno-delete-null-pointer-checks -fdelete-null-pointer-checks      \
    263 // RUN:     -fno-inline-small-functions -finline-small-functions              \
    264 // RUN:     -fno-fat-lto-objects -ffat-lto-objects                            \
    265 // RUN:     -fno-merge-constants -fmerge-constants                            \
    266 // RUN:     -fno-caller-saves -fcaller-saves                                  \
    267 // RUN:     -fno-reorder-blocks -freorder-blocks                              \
    268 // RUN:     -fno-schedule-insns2 -fschedule-insns2                            \
    269 // RUN:     -fno-stack-check                                                  \
    270 // RUN:     -fno-check-new -fcheck-new                                        \
    271 // RUN:     -ffriend-injection                                                \
    272 // RUN:     -fno-implement-inlines -fimplement-inlines                        \
    273 // RUN:     -fstack-check                                                     \
    274 // RUN:     -fforce-addr                                                      \
    275 // RUN:     -malign-functions=100                                             \
    276 // RUN:     -malign-loops=100                                                 \
    277 // RUN:     -malign-jumps=100                                                 \
    278 // RUN:     %s 2>&1 | FileCheck --check-prefix=IGNORE %s
    279 // IGNORE-NOT: error: unknown argument
    280 
    281 // Test that the warning is displayed on these.
    282 // RUN: %clang -###                                                           \
    283 // RUN: -finline-limit=1000                                                   \
    284 // RUN: -finline-limit                                                        \
    285 // RUN: -fexpensive-optimizations                                             \
    286 // RUN: -fno-expensive-optimizations                                          \
    287 // RUN: -fno-defer-pop                                                        \
    288 // RUN: -finline-functions                                                    \
    289 // RUN: -fkeep-inline-functions                                               \
    290 // RUN: -fno-keep-inline-functions                                            \
    291 // RUN: -freorder-blocks                                                      \
    292 // RUN: -fprofile-dir=/rand/dir                                               \
    293 // RUN: -falign-functions                                                     \
    294 // RUN: -falign-functions=1                                                   \
    295 // RUN: -ffloat-store                                                         \
    296 // RUN: -fgcse                                                                \
    297 // RUN: -fivopts                                                              \
    298 // RUN: -fprefetch-loop-arrays                                                \
    299 // RUN: -fprofile-correction                                                  \
    300 // RUN: -fprofile-values                                                      \
    301 // RUN: -frounding-math                                                       \
    302 // RUN: -fschedule-insns                                                      \
    303 // RUN: -fsignaling-nans                                                      \
    304 // RUN: -fstrength-reduce                                                     \
    305 // RUN: -ftracer                                                              \
    306 // RUN: -funroll-all-loops                                                    \
    307 // RUN: -funswitch-loops                                                      \
    308 // RUN: -flto=1                                                               \
    309 // RUN: -falign-labels                                                        \
    310 // RUN: -falign-labels=100                                                    \
    311 // RUN: -falign-loops                                                         \
    312 // RUN: -falign-loops=100                                                     \
    313 // RUN: -falign-jumps                                                         \
    314 // RUN: -falign-jumps=100                                                     \
    315 // RUN: -fexcess-precision=100                                                \
    316 // RUN: -fbranch-count-reg                                                    \
    317 // RUN: -fcaller-saves                                                        \
    318 // RUN: -fno-default-inline                                                   \
    319 // RUN: -fgcse-after-reload                                                   \
    320 // RUN: -fgcse-las                                                            \
    321 // RUN: -fgcse-sm                                                             \
    322 // RUN: -fipa-cp                                                              \
    323 // RUN: -finline-functions-called-once                                        \
    324 // RUN: -fmodulo-sched                                                        \
    325 // RUN: -fmodulo-sched-allow-regmoves                                         \
    326 // RUN: -fpeel-loops                                                          \
    327 // RUN: -frename-registers                                                    \
    328 // RUN: -fschedule-insns2                                                     \
    329 // RUN: -fsingle-precision-constant                                           \
    330 // RUN: -ftree_loop_im                                                        \
    331 // RUN: -ftree_loop_ivcanon                                                   \
    332 // RUN: -ftree_loop_linear                                                    \
    333 // RUN: -funsafe-loop-optimizations                                           \
    334 // RUN: -fuse-linker-plugin                                                   \
    335 // RUN: -fvect-cost-model                                                     \
    336 // RUN: -fvariable-expansion-in-unroller                                      \
    337 // RUN: -fweb                                                                 \
    338 // RUN: -fwhole-program                                                       \
    339 // RUN: -fcaller-saves                                                        \
    340 // RUN: -freorder-blocks                                                      \
    341 // RUN: -fdelete-null-pointer-checks                                          \
    342 // RUN: -ffat-lto-objects                                                     \
    343 // RUN: -fmerge-constants                                                     \
    344 // RUN: -finline-small-functions                                              \
    345 // RUN: -ftree-dce                                                            \
    346 // RUN: -ftree-ter                                                            \
    347 // RUN: -ftree-vrp                                                            \
    348 // RUN: -fno-devirtualize                                                     \
    349 // RUN: -fno-devirtualize-speculatively                                       \
    350 // RUN: %s 2>&1 | FileCheck --check-prefix=CHECK-WARNING %s
    351 // CHECK-WARNING-DAG: optimization flag '-finline-limit=1000' is not supported
    352 // CHECK-WARNING-DAG: optimization flag '-finline-limit' is not supported
    353 // CHECK-WARNING-DAG: optimization flag '-fexpensive-optimizations' is not supported
    354 // CHECK-WARNING-DAG: optimization flag '-fno-expensive-optimizations' is not supported
    355 // CHECK-WARNING-DAG: optimization flag '-fno-defer-pop' is not supported
    356 // CHECK-WARNING-DAG: optimization flag '-finline-functions' is not supported
    357 // CHECK-WARNING-DAG: optimization flag '-fkeep-inline-functions' is not supported
    358 // CHECK-WARNING-DAG: optimization flag '-fno-keep-inline-functions' is not supported
    359 // CHECK-WARNING-DAG: optimization flag '-freorder-blocks' is not supported
    360 // CHECK-WARNING-DAG: optimization flag '-fprofile-dir=/rand/dir' is not supported
    361 // CHECK-WARNING-DAG: optimization flag '-falign-functions' is not supported
    362 // CHECK-WARNING-DAG: optimization flag '-falign-functions=1' is not supported
    363 // CHECK-WARNING-DAG: optimization flag '-ffloat-store' is not supported
    364 // CHECK-WARNING-DAG: optimization flag '-fgcse' is not supported
    365 // CHECK-WARNING-DAG: optimization flag '-fivopts' is not supported
    366 // CHECK-WARNING-DAG: optimization flag '-fprefetch-loop-arrays' is not supported
    367 // CHECK-WARNING-DAG: optimization flag '-fprofile-correction' is not supported
    368 // CHECK-WARNING-DAG: optimization flag '-fprofile-values' is not supported
    369 // CHECK-WARNING-DAG: optimization flag '-frounding-math' is not supported
    370 // CHECK-WARNING-DAG: optimization flag '-fschedule-insns' is not supported
    371 // CHECK-WARNING-DAG: optimization flag '-fsignaling-nans' is not supported
    372 // CHECK-WARNING-DAG: optimization flag '-fstrength-reduce' is not supported
    373 // CHECK-WARNING-DAG: optimization flag '-ftracer' is not supported
    374 // CHECK-WARNING-DAG: optimization flag '-funroll-all-loops' is not supported
    375 // CHECK-WARNING-DAG: optimization flag '-funswitch-loops' is not supported
    376 // CHECK-WARNING-DAG: unsupported argument '1' to option 'flto='
    377 // CHECK-WARNING-DAG: optimization flag '-falign-labels' is not supported
    378 // CHECK-WARNING-DAG: optimization flag '-falign-labels=100' is not supported
    379 // CHECK-WARNING-DAG: optimization flag '-falign-loops' is not supported
    380 // CHECK-WARNING-DAG: optimization flag '-falign-loops=100' is not supported
    381 // CHECK-WARNING-DAG: optimization flag '-falign-jumps' is not supported
    382 // CHECK-WARNING-DAG: optimization flag '-falign-jumps=100' is not supported
    383 // CHECK-WARNING-DAG: optimization flag '-fexcess-precision=100' is not supported
    384 // CHECK-WARNING-DAG: optimization flag '-fbranch-count-reg' is not supported
    385 // CHECK-WARNING-DAG: optimization flag '-fcaller-saves' is not supported
    386 // CHECK-WARNING-DAG: optimization flag '-fno-default-inline' is not supported
    387 // CHECK-WARNING-DAG: optimization flag '-fgcse-after-reload' is not supported
    388 // CHECK-WARNING-DAG: optimization flag '-fgcse-las' is not supported
    389 // CHECK-WARNING-DAG: optimization flag '-fgcse-sm' is not supported
    390 // CHECK-WARNING-DAG: optimization flag '-fipa-cp' is not supported
    391 // CHECK-WARNING-DAG: optimization flag '-finline-functions-called-once' is not supported
    392 // CHECK-WARNING-DAG: optimization flag '-fmodulo-sched' is not supported
    393 // CHECK-WARNING-DAG: optimization flag '-fmodulo-sched-allow-regmoves' is not supported
    394 // CHECK-WARNING-DAG: optimization flag '-fpeel-loops' is not supported
    395 // CHECK-WARNING-DAG: optimization flag '-frename-registers' is not supported
    396 // CHECK-WARNING-DAG: optimization flag '-fschedule-insns2' is not supported
    397 // CHECK-WARNING-DAG: optimization flag '-fsingle-precision-constant' is not supported
    398 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_im' is not supported
    399 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_ivcanon' is not supported
    400 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_linear' is not supported
    401 // CHECK-WARNING-DAG: optimization flag '-funsafe-loop-optimizations' is not supported
    402 // CHECK-WARNING-DAG: optimization flag '-fuse-linker-plugin' is not supported
    403 // CHECK-WARNING-DAG: optimization flag '-fvect-cost-model' is not supported
    404 // CHECK-WARNING-DAG: optimization flag '-fvariable-expansion-in-unroller' is not supported
    405 // CHECK-WARNING-DAG: optimization flag '-fweb' is not supported
    406 // CHECK-WARNING-DAG: optimization flag '-fwhole-program' is not supported
    407 // CHECK-WARNING-DAG: optimization flag '-fcaller-saves' is not supported
    408 // CHECK-WARNING-DAG: optimization flag '-freorder-blocks' is not supported
    409 // CHECK-WARNING-DAG: optimization flag '-fdelete-null-pointer-checks' is not supported
    410 // CHECK-WARNING-DAG: optimization flag '-ffat-lto-objects' is not supported
    411 // CHECK-WARNING-DAG: optimization flag '-fmerge-constants' is not supported
    412 // CHECK-WARNING-DAG: optimization flag '-finline-small-functions' is not supported
    413 // CHECK-WARNING-DAG: optimization flag '-ftree-dce' is not supported
    414 // CHECK-WARNING-DAG: optimization flag '-ftree-ter' is not supported
    415 // CHECK-WARNING-DAG: optimization flag '-ftree-vrp' is not supported
    416 // CHECK-WARNING-DAG: optimization flag '-fno-devirtualize' is not supported
    417 // CHECK-WARNING-DAG: optimization flag '-fno-devirtualize-speculatively' is not supported
    418 
    419 // Test that we mute the warning on these
    420 // RUN: %clang -### -finline-limit=1000 -Wno-invalid-command-line-argument              \
    421 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING1 %s
    422 // RUN: %clang -### -finline-limit -Wno-invalid-command-line-argument                   \
    423 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
    424 // RUN: %clang -### -finline-limit \
    425 // RUN:     -Winvalid-command-line-argument -Wno-ignored-optimization-argument          \
    426 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
    427 // CHECK-NO-WARNING1-NOT: optimization flag '-finline-limit=1000' is not supported
    428 // CHECK-NO-WARNING2-NOT: optimization flag '-finline-limit' is not supported
    429 
    430 // Test that an ignored optimization argument only prints 1 warning,
    431 // not both a warning about not claiming the arg, *and* about not supporting
    432 // the arg; and that adding -Wno-ignored-optimization silences the warning.
    433 //
    434 // RUN: %clang -### -fprofile-correction %s 2>&1 \
    435 // RUN:   | FileCheck --check-prefix=CHECK-NO-WARNING3 %s
    436 // CHECK-NO-WARNING3: optimization flag '-fprofile-correction' is not supported
    437 // CHECK-NO-WARNING3-NOT: argument unused
    438 // RUN: %clang -### -fprofile-correction -Wno-ignored-optimization-argument %s 2>&1 \
    439 // RUN:   | FileCheck --check-prefix=CHECK-NO-WARNING4 %s
    440 // CHECK-NO-WARNING4-NOT: not supported
    441 // CHECK-NO-WARNING4-NOT: argument unused
    442 
    443 // RUN: %clang -### -S -fsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN1 %s
    444 // CHAR-SIGN1-NOT: -fno-signed-char
    445 
    446 // RUN: %clang -### -S -funsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN2 %s
    447 // CHAR-SIGN2: -fno-signed-char
    448 
    449 // RUN: %clang -### -S -fno-signed-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN3 %s
    450 // CHAR-SIGN3: -fno-signed-char
    451 
    452 // RUN: %clang -### -S -fno-unsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN4 %s
    453 // CHAR-SIGN4-NOT: -fno-signed-char
    454 
    455 // RUN: %clang -### -fshort-wchar -fno-short-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-WCHAR1 -check-prefix=DELIMITERS %s
    456 // RUN: %clang -### -fno-short-wchar -fshort-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-WCHAR2 -check-prefix=DELIMITERS %s
    457 // Make sure we don't match the -NOT lines with the linker invocation.
    458 // Delimiters match the start of the cc1 and the start of the linker lines
    459 // DELIMITERS: {{^ *"}}
    460 // CHECK-WCHAR1: -fno-short-wchar
    461 // CHECK-WCHAR1-NOT: -fshort-wchar
    462 // CHECK-WCHAR2: -fshort-wchar
    463 // CHECK-WCHAR2-NOT: -fno-short-wchar
    464 // DELIMITERS: {{^ *"}}
    465