test/Driver/clang_f_opts.c

   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-dir=abc %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-DIR-UNUSED %s
  70 // RUN: %clang -### -S -ftest-coverage -fprofile-dir=abc %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-DIR-UNUSED %s
  71 // RUN: %clang -### -S -fprofile-arcs -fprofile-dir=abc %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-DIR %s
  72 // RUN: %clang -### -S --coverage -fprofile-dir=abc %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-DIR %s
  73 // RUN: %clang -### -S -fprofile-arcs -fno-profile-arcs -fprofile-dir=abc %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-DIR-NEITHER %s
  74 // CHECK-PROFILE-DIR: "-coverage-data-file" "abc
  75 // CHECK-PROFILE-DIR-UNUSED: argument unused
  76 // CHECK-PROFILE-DIR-UNUSED-NOT: "-coverage-data-file" "abc
  77 // CHECK-PROFILE-DIR-NEITHER-NOT: argument unused
  78
  79 // RUN: %clang -### -S -fprofile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE-LLVM %s
  80 // RUN: %clang -### -S -fprofile-instr-generate %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE %s
  81 // RUN: %clang -### -S -fprofile-generate=/some/dir %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE-DIR %s
  82 // RUN: %clang -### -S -fprofile-instr-generate=/tmp/somefile.profraw %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-GENERATE-FILE %s
  83 // RUN: %clang -### -S -fprofile-generate -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  84 // RUN: %clang -### -S -fprofile-generate -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  85 // RUN: %clang -### -S -fprofile-generate -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  86 // RUN: %clang -### -S -fprofile-generate -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  87 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  88 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  89 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  90 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  91 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  92 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  93 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  94 // RUN: %clang -### -S -fprofile-instr-generate=file -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  95 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  96 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-use=dir %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  97 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  98 // RUN: %clang -### -S -fprofile-generate=dir -fprofile-instr-use=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GEN-USE %s
  99 // RUN: %clang -### -S -fprofile-instr-generate=file -fno-profile-instr-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
 100 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GENERATE %s
 101 // RUN: %clang -### -S -fprofile-instr-generate -fprofile-generate=file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-MIX-GENERATE %s
 102 // RUN: %clang -### -S -fprofile-generate=dir -fno-profile-generate %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-GEN %s
 103 // RUN: %clang -### -S -fprofile-instr-use=file -fno-profile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
 104 // RUN: %clang -### -S -fprofile-instr-use=file -fno-profile-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
 105 // RUN: %clang -### -S -fprofile-use=file -fno-profile-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
 106 // RUN: %clang -### -S -fprofile-use=file -fno-profile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-USE %s
 107 // RUN: %clang -### -S -fcoverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-COVERAGE-AND-GEN %s
 108 // RUN: %clang -### -S -fcoverage-mapping -fno-coverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-COVERAGE %s
 109 // RUN: %clang -### -S -fprofile-instr-generate -fcoverage-mapping -fno-coverage-mapping %s 2>&1 | FileCheck -check-prefix=CHECK-DISABLE-COVERAGE %s
 110 // CHECK-PROFILE-GENERATE: "-fprofile-instrument=clang"
 111 // CHECK-PROFILE-GENERATE-LLVM: "-fprofile-instrument=llvm"
 112 // CHECK-PROFILE-GENERATE-DIR: "-fprofile-instrument-path=/some/dir{{/|\\\\}}{{.*}}"
 113 // CHECK-PROFILE-GENERATE-FILE: "-fprofile-instrument-path=/tmp/somefile.profraw"
 114 // CHECK-NO-MIX-GEN-USE: '{{[a-z=-]*}}' not allowed with '{{[a-z=-]*}}'
 115 // CHECK-NO-MIX-GENERATE: '{{[a-z=-]*}}' not allowed with '{{[a-z=-]*}}'
 116 // CHECK-DISABLE-GEN-NOT: "-fprofile-instrument=clang"
 117 // CHECK-DISABLE-USE-NOT: "-fprofile-instr-use"
 118 // CHECK-COVERAGE-AND-GEN: '-fcoverage-mapping' only allowed with '-fprofile-instr-generate'
 119 // CHECK-DISABLE-COVERAGE-NOT: "-fcoverage-mapping"
 120
 121 // RUN: %clang -### -S -fprofile-use %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE %s
 122 // RUN: %clang -### -S -fprofile-instr-use %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE %s
 123 // RUN: mkdir -p %t.d/some/dir
 124 // RUN: %clang -### -S -fprofile-use=%t.d/some/dir %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE-DIR %s
 125 // RUN: %clang -### -S -fprofile-instr-use=/tmp/somefile.prof %s 2>&1 | FileCheck -check-prefix=CHECK-PROFILE-USE-FILE %s
 126 // CHECK-PROFILE-USE: "-fprofile-instrument-use-path=default.profdata"
 127 // CHECK-PROFILE-USE-DIR: "-fprofile-instrument-use-path={{.*}}.d/some/dir{{/|\\\\}}default.profdata"
 128 // CHECK-PROFILE-USE-FILE: "-fprofile-instrument-use-path=/tmp/somefile.prof"
 129
 130 // RUN: %clang -### -S -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 131 // RUN: %clang -### -S -fno-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 132 // RUN: %clang -### -S -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 133 // RUN: %clang -### -S -fvectorize -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 134 // RUN: %clang -### -S -ftree-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 135 // RUN: %clang -### -S -fno-tree-vectorize -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 136 // RUN: %clang -### -S -fno-tree-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 137 // RUN: %clang -### -S -ftree-vectorize -fno-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 138 // RUN: %clang -### -S -O %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 139 // RUN: %clang -### -S -O2 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 140 // RUN: %clang -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 141 // RUN: %clang -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 142 // RUN: %clang -### -S -fno-vectorize -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 143 // RUN: %clang -### -S -O1 -fvectorize %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 144 // RUN: %clang -### -S -Ofast %s 2>&1 | FileCheck -check-prefix=CHECK-VECTORIZE %s
 145 // RUN: %clang -### -S %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 146 // RUN: %clang -### -S -O0 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 147 // RUN: %clang -### -S -O1 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 148 // RUN: %clang -### -S -Oz %s 2>&1 | FileCheck -check-prefix=CHECK-NO-VECTORIZE %s
 149 // CHECK-VECTORIZE: "-vectorize-loops"
 150 // CHECK-NO-VECTORIZE-NOT: "-vectorize-loops"
 151
 152 // RUN: %clang -### -S -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 153 // RUN: %clang -### -S -fno-slp-vectorize -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 154 // RUN: %clang -### -S -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 155 // RUN: %clang -### -S -fslp-vectorize -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 156 // RUN: %clang -### -S -ftree-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 157 // RUN: %clang -### -S -fno-tree-slp-vectorize -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 158 // RUN: %clang -### -S -fno-tree-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 159 // RUN: %clang -### -S -ftree-slp-vectorize -fno-slp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 160 // RUN: %clang -### -S -O %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 161 // RUN: %clang -### -S -O2 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 162 // RUN: %clang -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 163 // RUN: %clang -### -S -Oz %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 164 // RUN: %clang -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 165 // RUN: %clang -### -S -fno-slp-vectorize -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 166 // RUN: %clang -### -S -O1 -fslp-vectorize %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 167 // RUN: %clang -### -S -Ofast %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE %s
 168 // RUN: %clang -### -S %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 169 // RUN: %clang -### -S -O0 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 170 // RUN: %clang -### -S -O1 %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE %s
 171 // CHECK-SLP-VECTORIZE: "-vectorize-slp"
 172 // CHECK-NO-SLP-VECTORIZE-NOT: "-vectorize-slp"
 173
 174 // RUN: %clang -### -S -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
 175 // RUN: %clang -### -S -fno-slp-vectorize-aggressive -fslp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-SLP-VECTORIZE-AGG %s
 176 // RUN: %clang -### -S -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
 177 // RUN: %clang -### -S -fslp-vectorize-aggressive -fno-slp-vectorize-aggressive %s 2>&1 | FileCheck -check-prefix=CHECK-NO-SLP-VECTORIZE-AGG %s
 178 // CHECK-SLP-VECTORIZE-AGG: "-vectorize-slp-aggressive"
 179 // CHECK-NO-SLP-VECTORIZE-AGG-NOT: "-vectorize-slp-aggressive"
 180
 181 // RUN: %clang -### -S -fextended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-EXTENDED-IDENTIFIERS %s
 182 // RUN: %clang -### -S -fno-extended-identifiers %s 2>&1 | FileCheck -check-prefix=CHECK-NO-EXTENDED-IDENTIFIERS %s
 183 // CHECK-EXTENDED-IDENTIFIERS: "-cc1"
 184 // CHECK-EXTENDED-IDENTIFIERS-NOT: "-fextended-identifiers"
 185 // CHECK-NO-EXTENDED-IDENTIFIERS: error: unsupported option '-fno-extended-identifiers'
 186
 187 // RUN: %clang -### -S -fno-pascal-strings -mpascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-M-PASCAL-STRINGS %s
 188 // CHECK-M-PASCAL-STRINGS: "-fpascal-strings"
 189
 190 // RUN: %clang -### -S -fpascal-strings -mno-pascal-strings %s 2>&1 | FileCheck -check-prefix=CHECK-NO-M-PASCAL-STRINGS %s
 191 // CHECK-NO-M-PASCAL-STRINGS-NOT: "-fpascal-strings"
 192
 193 // RUN: %clang -### -S -O4 %s 2>&1 | FileCheck -check-prefix=CHECK-MAX-O %s
 194 // CHECK-MAX-O: warning: -O4 is equivalent to -O3
 195 // CHECK-MAX-O: -O3
 196
 197 // RUN: %clang -S -O20 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-O %s
 198 // CHECK-INVALID-O: warning: optimization level '-O20' is not supported; using '-O3' instead
 199
 200 // RUN: %clang -### -S -finput-charset=iso-8859-1 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-CHARSET %s
 201 // CHECK-INVALID-CHARSET: error: invalid value 'iso-8859-1' in '-finput-charset=iso-8859-1'
 202
 203 // RUN: %clang -### -S -fexec-charset=iso-8859-1 -o /dev/null %s 2>&1 | FileCheck -check-prefix=CHECK-INVALID-INPUT-CHARSET %s
 204 // CHECK-INVALID-INPUT-CHARSET: error: invalid value 'iso-8859-1' in '-fexec-charset=iso-8859-1'
 205
 206 // Test that we don't error on these.
 207 // RUN: %clang -### -S -Werror                                                \
 208 // RUN:     -falign-functions -falign-functions=2 -fno-align-functions        \
 209 // RUN:     -fasynchronous-unwind-tables -fno-asynchronous-unwind-tables      \
 210 // RUN:     -fbuiltin -fno-builtin                                            \
 211 // RUN:     -fdiagnostics-show-location=once                                  \
 212 // RUN:     -ffloat-store -fno-float-store                                    \
 213 // RUN:     -feliminate-unused-debug-types -fno-eliminate-unused-debug-types  \
 214 // RUN:     -fgcse -fno-gcse                                                  \
 215 // RUN:     -fident -fno-ident                                                \
 216 // RUN:     -fimplicit-templates -fno-implicit-templates                      \
 217 // RUN:     -finput-charset=UTF-8                                             \
 218 // RUN:     -fexec-charset=UTF-8                                             \
 219 // RUN:     -fivopts -fno-ivopts                                              \
 220 // RUN:     -fnon-call-exceptions -fno-non-call-exceptions                    \
 221 // RUN:     -fpermissive -fno-permissive                                      \
 222 // RUN:     -fdefer-pop -fno-defer-pop                                        \
 223 // RUN:     -fprefetch-loop-arrays -fno-prefetch-loop-arrays                  \
 224 // RUN:     -fprofile-correction -fno-profile-correction                      \
 225 // RUN:     -fprofile-values -fno-profile-values                              \
 226 // RUN:     -frounding-math -fno-rounding-math                                \
 227 // RUN:     -fsee -fno-see                                                    \
 228 // RUN:     -ftracer -fno-tracer                                              \
 229 // RUN:     -funroll-all-loops -fno-unroll-all-loops                          \
 230 // RUN:     -fuse-ld=gold                                                     \
 231 // RUN:     -fno-builtin-foobar                                               \
 232 // RUN:     -fno-builtin-strcat -fno-builtin-strcpy                           \
 233 // RUN:     -fno-var-tracking                                                 \
 234 // RUN:     -fno-unsigned-char                                                \
 235 // RUN:     -fno-signed-char                                                  \
 236 // RUN:     -fstrength-reduce -fno-strength-reduce                            \
 237 // RUN:     -finline-limit=1000                                               \
 238 // RUN:     -finline-limit                                                    \
 239 // RUN:     -flto=1                                                           \
 240 // RUN:     -falign-labels                                                    \
 241 // RUN:     -falign-labels=100                                                \
 242 // RUN:     -falign-loops                                                     \
 243 // RUN:     -falign-loops=100                                                 \
 244 // RUN:     -falign-jumps                                                     \
 245 // RUN:     -falign-jumps=100                                                 \
 246 // RUN:     -fexcess-precision=100                                            \
 247 // RUN:     -fbranch-count-reg                                                \
 248 // RUN:     -fcaller-saves                                                    \
 249 // RUN:     -fno-default-inline -fdefault-inline                              \
 250 // RUN:     -fgcse-after-reload                                               \
 251 // RUN:     -fgcse-las                                                        \
 252 // RUN:     -fgcse-sm                                                         \
 253 // RUN:     -fipa-cp                                                          \
 254 // RUN:     -finline-functions-called-once                                    \
 255 // RUN:     -fmodulo-sched                                                    \
 256 // RUN:     -fmodulo-sched-allow-regmoves                                     \
 257 // RUN:     -fpeel-loops                                                      \
 258 // RUN:     -frename-registers                                                \
 259 // RUN:     -fschedule-insns2                                                 \
 260 // RUN:     -fsingle-precision-constant                                       \
 261 // RUN:     -ftree_loop_im                                                    \
 262 // RUN:     -ftree_loop_ivcanon                                               \
 263 // RUN:     -ftree_loop_linear                                                \
 264 // RUN:     -funsafe-loop-optimizations                                       \
 265 // RUN:     -fuse-linker-plugin                                               \
 266 // RUN:     -fvect-cost-model                                                 \
 267 // RUN:     -fvariable-expansion-in-unroller                                  \
 268 // RUN:     -fweb                                                             \
 269 // RUN:     -fwhole-program                                                   \
 270 // RUN:     -fno-tree-dce -ftree-dce                                          \
 271 // RUN:     -fno-tree-ter -ftree-ter                                          \
 272 // RUN:     -fno-tree-vrp -ftree-vrp                                          \
 273 // RUN:     -fno-delete-null-pointer-checks -fdelete-null-pointer-checks      \
 274 // RUN:     -fno-inline-small-functions -finline-small-functions              \
 275 // RUN:     -fno-fat-lto-objects -ffat-lto-objects                            \
 276 // RUN:     -fno-merge-constants -fmerge-constants                            \
 277 // RUN:     -fno-caller-saves -fcaller-saves                                  \
 278 // RUN:     -fno-reorder-blocks -freorder-blocks                              \
 279 // RUN:     -fno-schedule-insns2 -fschedule-insns2                            \
 280 // RUN:     -fno-stack-check                                                  \
 281 // RUN:     -fno-check-new -fcheck-new                                        \
 282 // RUN:     -ffriend-injection                                                \
 283 // RUN:     -fno-implement-inlines -fimplement-inlines                        \
 284 // RUN:     -fstack-check                                                     \
 285 // RUN:     -fforce-addr                                                      \
 286 // RUN:     -malign-functions=100                                             \
 287 // RUN:     -malign-loops=100                                                 \
 288 // RUN:     -malign-jumps=100                                                 \
 289 // RUN:     %s 2>&1 | FileCheck --check-prefix=IGNORE %s
 290 // IGNORE-NOT: error: unknown argument
 291
 292 // Test that the warning is displayed on these.
 293 // RUN: %clang -###                                                           \
 294 // RUN: -finline-limit=1000                                                   \
 295 // RUN: -finline-limit                                                        \
 296 // RUN: -fexpensive-optimizations                                             \
 297 // RUN: -fno-expensive-optimizations                                          \
 298 // RUN: -fno-defer-pop                                                        \
 299 // RUN: -fkeep-inline-functions                                               \
 300 // RUN: -fno-keep-inline-functions                                            \
 301 // RUN: -freorder-blocks                                                      \
 302 // RUN: -falign-functions                                                     \
 303 // RUN: -falign-functions=1                                                   \
 304 // RUN: -ffloat-store                                                         \
 305 // RUN: -fgcse                                                                \
 306 // RUN: -fivopts                                                              \
 307 // RUN: -fprefetch-loop-arrays                                                \
 308 // RUN: -fprofile-correction                                                  \
 309 // RUN: -fprofile-values                                                      \
 310 // RUN: -frounding-math                                                       \
 311 // RUN: -fschedule-insns                                                      \
 312 // RUN: -fsignaling-nans                                                      \
 313 // RUN: -fstrength-reduce                                                     \
 314 // RUN: -ftracer                                                              \
 315 // RUN: -funroll-all-loops                                                    \
 316 // RUN: -funswitch-loops                                                      \
 317 // RUN: -flto=1                                                               \
 318 // RUN: -falign-labels                                                        \
 319 // RUN: -falign-labels=100                                                    \
 320 // RUN: -falign-loops                                                         \
 321 // RUN: -falign-loops=100                                                     \
 322 // RUN: -falign-jumps                                                         \
 323 // RUN: -falign-jumps=100                                                     \
 324 // RUN: -fexcess-precision=100                                                \
 325 // RUN: -fbranch-count-reg                                                    \
 326 // RUN: -fcaller-saves                                                        \
 327 // RUN: -fno-default-inline                                                   \
 328 // RUN: -fgcse-after-reload                                                   \
 329 // RUN: -fgcse-las                                                            \
 330 // RUN: -fgcse-sm                                                             \
 331 // RUN: -fipa-cp                                                              \
 332 // RUN: -finline-functions-called-once                                        \
 333 // RUN: -fmodulo-sched                                                        \
 334 // RUN: -fmodulo-sched-allow-regmoves                                         \
 335 // RUN: -fpeel-loops                                                          \
 336 // RUN: -frename-registers                                                    \
 337 // RUN: -fschedule-insns2                                                     \
 338 // RUN: -fsingle-precision-constant                                           \
 339 // RUN: -ftree_loop_im                                                        \
 340 // RUN: -ftree_loop_ivcanon                                                   \
 341 // RUN: -ftree_loop_linear                                                    \
 342 // RUN: -funsafe-loop-optimizations                                           \
 343 // RUN: -fuse-linker-plugin                                                   \
 344 // RUN: -fvect-cost-model                                                     \
 345 // RUN: -fvariable-expansion-in-unroller                                      \
 346 // RUN: -fweb                                                                 \
 347 // RUN: -fwhole-program                                                       \
 348 // RUN: -fcaller-saves                                                        \
 349 // RUN: -freorder-blocks                                                      \
 350 // RUN: -fdelete-null-pointer-checks                                          \
 351 // RUN: -ffat-lto-objects                                                     \
 352 // RUN: -fmerge-constants                                                     \
 353 // RUN: -finline-small-functions                                              \
 354 // RUN: -ftree-dce                                                            \
 355 // RUN: -ftree-ter                                                            \
 356 // RUN: -ftree-vrp                                                            \
 357 // RUN: -fno-devirtualize                                                     \
 358 // RUN: -fno-devirtualize-speculatively                                       \
 359 // RUN: %s 2>&1 | FileCheck --check-prefix=CHECK-WARNING %s
 360 // CHECK-WARNING-DAG: optimization flag '-finline-limit=1000' is not supported
 361 // CHECK-WARNING-DAG: optimization flag '-finline-limit' is not supported
 362 // CHECK-WARNING-DAG: optimization flag '-fexpensive-optimizations' is not supported
 363 // CHECK-WARNING-DAG: optimization flag '-fno-expensive-optimizations' is not supported
 364 // CHECK-WARNING-DAG: optimization flag '-fno-defer-pop' is not supported
 365 // CHECK-WARNING-DAG: optimization flag '-fkeep-inline-functions' is not supported
 366 // CHECK-WARNING-DAG: optimization flag '-fno-keep-inline-functions' is not supported
 367 // CHECK-WARNING-DAG: optimization flag '-freorder-blocks' is not supported
 368 // CHECK-WARNING-DAG: optimization flag '-falign-functions' is not supported
 369 // CHECK-WARNING-DAG: optimization flag '-falign-functions=1' is not supported
 370 // CHECK-WARNING-DAG: optimization flag '-ffloat-store' is not supported
 371 // CHECK-WARNING-DAG: optimization flag '-fgcse' is not supported
 372 // CHECK-WARNING-DAG: optimization flag '-fivopts' is not supported
 373 // CHECK-WARNING-DAG: optimization flag '-fprefetch-loop-arrays' is not supported
 374 // CHECK-WARNING-DAG: optimization flag '-fprofile-correction' is not supported
 375 // CHECK-WARNING-DAG: optimization flag '-fprofile-values' is not supported
 376 // CHECK-WARNING-DAG: optimization flag '-frounding-math' is not supported
 377 // CHECK-WARNING-DAG: optimization flag '-fschedule-insns' is not supported
 378 // CHECK-WARNING-DAG: optimization flag '-fsignaling-nans' is not supported
 379 // CHECK-WARNING-DAG: optimization flag '-fstrength-reduce' is not supported
 380 // CHECK-WARNING-DAG: optimization flag '-ftracer' is not supported
 381 // CHECK-WARNING-DAG: optimization flag '-funroll-all-loops' is not supported
 382 // CHECK-WARNING-DAG: optimization flag '-funswitch-loops' is not supported
 383 // CHECK-WARNING-DAG: unsupported argument '1' to option 'flto='
 384 // CHECK-WARNING-DAG: optimization flag '-falign-labels' is not supported
 385 // CHECK-WARNING-DAG: optimization flag '-falign-labels=100' is not supported
 386 // CHECK-WARNING-DAG: optimization flag '-falign-loops' is not supported
 387 // CHECK-WARNING-DAG: optimization flag '-falign-loops=100' is not supported
 388 // CHECK-WARNING-DAG: optimization flag '-falign-jumps' is not supported
 389 // CHECK-WARNING-DAG: optimization flag '-falign-jumps=100' is not supported
 390 // CHECK-WARNING-DAG: optimization flag '-fexcess-precision=100' is not supported
 391 // CHECK-WARNING-DAG: optimization flag '-fbranch-count-reg' is not supported
 392 // CHECK-WARNING-DAG: optimization flag '-fcaller-saves' is not supported
 393 // CHECK-WARNING-DAG: optimization flag '-fno-default-inline' is not supported
 394 // CHECK-WARNING-DAG: optimization flag '-fgcse-after-reload' is not supported
 395 // CHECK-WARNING-DAG: optimization flag '-fgcse-las' is not supported
 396 // CHECK-WARNING-DAG: optimization flag '-fgcse-sm' is not supported
 397 // CHECK-WARNING-DAG: optimization flag '-fipa-cp' is not supported
 398 // CHECK-WARNING-DAG: optimization flag '-finline-functions-called-once' is not supported
 399 // CHECK-WARNING-DAG: optimization flag '-fmodulo-sched' is not supported
 400 // CHECK-WARNING-DAG: optimization flag '-fmodulo-sched-allow-regmoves' is not supported
 401 // CHECK-WARNING-DAG: optimization flag '-fpeel-loops' is not supported
 402 // CHECK-WARNING-DAG: optimization flag '-frename-registers' is not supported
 403 // CHECK-WARNING-DAG: optimization flag '-fschedule-insns2' is not supported
 404 // CHECK-WARNING-DAG: optimization flag '-fsingle-precision-constant' is not supported
 405 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_im' is not supported
 406 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_ivcanon' is not supported
 407 // CHECK-WARNING-DAG: optimization flag '-ftree_loop_linear' is not supported
 408 // CHECK-WARNING-DAG: optimization flag '-funsafe-loop-optimizations' is not supported
 409 // CHECK-WARNING-DAG: optimization flag '-fuse-linker-plugin' is not supported
 410 // CHECK-WARNING-DAG: optimization flag '-fvect-cost-model' is not supported
 411 // CHECK-WARNING-DAG: optimization flag '-fvariable-expansion-in-unroller' is not supported
 412 // CHECK-WARNING-DAG: optimization flag '-fweb' is not supported
 413 // CHECK-WARNING-DAG: optimization flag '-fwhole-program' is not supported
 414 // CHECK-WARNING-DAG: optimization flag '-fcaller-saves' is not supported
 415 // CHECK-WARNING-DAG: optimization flag '-freorder-blocks' is not supported
 416 // CHECK-WARNING-DAG: optimization flag '-fdelete-null-pointer-checks' is not supported
 417 // CHECK-WARNING-DAG: optimization flag '-ffat-lto-objects' is not supported
 418 // CHECK-WARNING-DAG: optimization flag '-fmerge-constants' is not supported
 419 // CHECK-WARNING-DAG: optimization flag '-finline-small-functions' is not supported
 420 // CHECK-WARNING-DAG: optimization flag '-ftree-dce' is not supported
 421 // CHECK-WARNING-DAG: optimization flag '-ftree-ter' is not supported
 422 // CHECK-WARNING-DAG: optimization flag '-ftree-vrp' is not supported
 423 // CHECK-WARNING-DAG: optimization flag '-fno-devirtualize' is not supported
 424 // CHECK-WARNING-DAG: optimization flag '-fno-devirtualize-speculatively' is not supported
 425
 426 // Test that we mute the warning on these
 427 // RUN: %clang -### -finline-limit=1000 -Wno-invalid-command-line-argument              \
 428 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING1 %s
 429 // RUN: %clang -### -finline-limit -Wno-invalid-command-line-argument                   \
 430 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
 431 // RUN: %clang -### -finline-limit \
 432 // RUN:     -Winvalid-command-line-argument -Wno-ignored-optimization-argument          \
 433 // RUN:     %s 2>&1 | FileCheck --check-prefix=CHECK-NO-WARNING2 %s
 434 // CHECK-NO-WARNING1-NOT: optimization flag '-finline-limit=1000' is not supported
 435 // CHECK-NO-WARNING2-NOT: optimization flag '-finline-limit' is not supported
 436
 437 // Test that an ignored optimization argument only prints 1 warning,
 438 // not both a warning about not claiming the arg, *and* about not supporting
 439 // the arg; and that adding -Wno-ignored-optimization silences the warning.
 440 //
 441 // RUN: %clang -### -fprofile-correction %s 2>&1 \
 442 // RUN:   | FileCheck --check-prefix=CHECK-NO-WARNING3 %s
 443 // CHECK-NO-WARNING3: optimization flag '-fprofile-correction' is not supported
 444 // CHECK-NO-WARNING3-NOT: argument unused
 445 // RUN: %clang -### -fprofile-correction -Wno-ignored-optimization-argument %s 2>&1 \
 446 // RUN:   | FileCheck --check-prefix=CHECK-NO-WARNING4 %s
 447 // CHECK-NO-WARNING4-NOT: not supported
 448 // CHECK-NO-WARNING4-NOT: argument unused
 449
 450 // RUN: %clang -### -S -fsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN1 %s
 451 // CHAR-SIGN1-NOT: -fno-signed-char
 452
 453 // RUN: %clang -### -S -funsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN2 %s
 454 // CHAR-SIGN2: -fno-signed-char
 455
 456 // RUN: %clang -### -S -fno-signed-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN3 %s
 457 // CHAR-SIGN3: -fno-signed-char
 458
 459 // RUN: %clang -### -S -fno-unsigned-char %s 2>&1 | FileCheck -check-prefix=CHAR-SIGN4 %s
 460 // CHAR-SIGN4-NOT: -fno-signed-char
 461
 462 // RUN: %clang -### -fshort-wchar -fno-short-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-WCHAR1 -check-prefix=DELIMITERS %s
 463 // RUN: %clang -### -fno-short-wchar -fshort-wchar %s 2>&1 | FileCheck -check-prefix=CHECK-WCHAR2 -check-prefix=DELIMITERS %s
 464 // Make sure we don't match the -NOT lines with the linker invocation.
 465 // Delimiters match the start of the cc1 and the start of the linker lines
 466 // DELIMITERS: {{^ *"}}
 467 // CHECK-WCHAR1: -fno-short-wchar
 468 // CHECK-WCHAR1-NOT: -fshort-wchar
 469 // CHECK-WCHAR2: -fshort-wchar
 470 // CHECK-WCHAR2-NOT: -fno-short-wchar
 471 // DELIMITERS: {{^ *"}}
 472
 473 // RUN: %clang -### -fno-experimental-new-pass-manager -fexperimental-new-pass-manager %s 2>&1 | FileCheck --check-prefix=CHECK-PM --check-prefix=CHECK-NEW-PM %s
 474 // RUN: %clang -### -fexperimental-new-pass-manager -fno-experimental-new-pass-manager %s 2>&1 | FileCheck --check-prefix=CHECK-PM --check-prefix=CHECK-NO-NEW-PM %s
 475 // CHECK-PM-NOT: argument unused
 476 // CHECK-NEW-PM: -fexperimental-new-pass-manager
 477 // CHECK-NEW-PM-NOT: -fno-experimental-new-pass-manager
 478 // CHECK-NO-NEW-PM: -fno-experimental-new-pass-manager
 479 // CHECK-NO-NEW-PM-NOT: -fexperimental-new-pass-manager