Standardize Driver translation to call clang-cc using '-foo' form instead of '--foo'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89497 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Driver/Tools.cpp

@@ -440,12 +440,12 @@ void Clang::AddX86TargetArgs(const ArgList &Args,
                     true) ||
       Args.hasArg(options::OPT_mkernel) ||
       Args.hasArg(options::OPT_fapple_kext))
-    CmdArgs.push_back("--disable-red-zone");
+    CmdArgs.push_back("-disable-red-zone");
 
   if (Args.hasFlag(options::OPT_msoft_float,
                    options::OPT_mno_soft_float,
                    false))
-    CmdArgs.push_back("--no-implicit-float");
+    CmdArgs.push_back("-no-implicit-float");
 
   const char *CPUName = 0;
   if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
@@ -479,7 +479,7 @@ void Clang::AddX86TargetArgs(const ArgList &Args,
   }
 
   if (CPUName) {
-    CmdArgs.push_back("--mcpu");
+    CmdArgs.push_back("-mcpu");
     CmdArgs.push_back(CPUName);
   }
 
@@ -707,7 +707,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     else
       Model = getToolChain().GetDefaultRelocationModel();
   }
-  CmdArgs.push_back("--relocation-model");
+  CmdArgs.push_back("-relocation-model");
   CmdArgs.push_back(Model);
 
   // Infer the __PIC__ value.
@@ -722,24 +722,24 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   if (Args.hasArg(options::OPT_ftime_report))
-    CmdArgs.push_back("--time-passes");
+    CmdArgs.push_back("-time-passes");
   // FIXME: Set --enable-unsafe-fp-math.
   if (Args.hasFlag(options::OPT_fno_omit_frame_pointer,
                    options::OPT_fomit_frame_pointer))
-    CmdArgs.push_back("--disable-fp-elim");
+    CmdArgs.push_back("-disable-fp-elim");
   if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss,
                     options::OPT_fno_zero_initialized_in_bss,
                     true))
-    CmdArgs.push_back("--nozero-initialized-in-bss");
+    CmdArgs.push_back("-nozero-initialized-in-bss");
   if (Args.hasArg(options::OPT_dA) || Args.hasArg(options::OPT_fverbose_asm))
-    CmdArgs.push_back("--asm-verbose");
+    CmdArgs.push_back("-asm-verbose");
   if (Args.hasArg(options::OPT_fdebug_pass_structure))
-    CmdArgs.push_back("--debug-pass=Structure");
+    CmdArgs.push_back("-debug-pass=Structure");
   if (Args.hasArg(options::OPT_fdebug_pass_arguments))
-    CmdArgs.push_back("--debug-pass=Arguments");
+    CmdArgs.push_back("-debug-pass=Arguments");
   if (!Args.hasFlag(options::OPT_fmerge_all_constants,
                     options::OPT_fno_merge_all_constants))
-    CmdArgs.push_back("--no-merge-all-constants");
+    CmdArgs.push_back("-no-merge-all-constants");
 
   // This is a coarse approximation of what llvm-gcc actually does, both
   // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more
@@ -751,9 +751,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
                  !Args.hasArg(options::OPT_mkernel));
   if (Args.hasFlag(options::OPT_funwind_tables, options::OPT_fno_unwind_tables,
                    AsynchronousUnwindTables))
-    CmdArgs.push_back("--unwind-tables=1");
+    CmdArgs.push_back("-unwind-tables=1");
   else
-    CmdArgs.push_back("--unwind-tables=0");
+    CmdArgs.push_back("-unwind-tables=0");
 
   // FIXME: Handle -mtune=.
   (void) Args.hasArg(options::OPT_mtune_EQ);
@@ -786,7 +786,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("-fno-math-errno");
 
   if (Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) {
-    CmdArgs.push_back("--limit-float-precision");
+    CmdArgs.push_back("-limit-float-precision");
     CmdArgs.push_back(A->getValue(Args));
   }
 
@@ -865,7 +865,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
   }
 
   if (Args.hasArg(options::OPT__relocatable_pch))
-    CmdArgs.push_back("--relocatable-pch");
+    CmdArgs.push_back("-relocatable-pch");
 
   if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) {
     CmdArgs.push_back("-fconstant-string-class");
@@ -1703,7 +1703,7 @@ void darwin::Compile::ConstructJob(Compilation &C, const JobAction &JA,
     // to be a good reason.
     CmdArgs.push_back("/dev/null");
 
-    CmdArgs.push_back("--output-pch=");
+    CmdArgs.push_back("-output-pch=");
     CmdArgs.push_back(Output.getFilename());
   }
 

test/Driver/clang-translation.c

@@ -2,13 +2,13 @@
 // RUN: grep '"-triple" "i386-unknown-unknown"' %t.log
 // RUN: grep '"-S"' %t.log
 // RUN: grep '"-disable-free"' %t.log
-// RUN: grep '"--relocation-model" "static"' %t.log
-// RUN: grep '"--disable-fp-elim"' %t.log
-// RUN: grep '"--unwind-tables=0"' %t.log
+// RUN: grep '"-relocation-model" "static"' %t.log
+// RUN: grep '"-disable-fp-elim"' %t.log
+// RUN: grep '"-unwind-tables=0"' %t.log
 // RUN: grep '"-Os"' %t.log
 // RUN: grep '"-o" .*clang-translation.*' %t.log
-// RUN: grep '"--asm-verbose"' %t.log
+// RUN: grep '"-asm-verbose"' %t.log
 // RUN: clang -ccc-host-triple i386-apple-darwin9 -### -S %s -o %t.s 2> %t.log
-// RUN: grep '"--mcpu" "yonah"' %t.log
+// RUN: grep '"-mcpu" "yonah"' %t.log
 // RUN: clang -ccc-host-triple x86_64-apple-darwin9 -### -S %s -o %t.s 2> %t.log
-// RUN: grep '"--mcpu" "core2"' %t.log
+// RUN: grep '"-mcpu" "core2"' %t.log

test/Driver/flags.c

@@ -1,9 +1,9 @@
 // RUN: clang -ccc-host-triple i386-apple-darwin9 -### -S -msoft-float %s 2> %t.log
-// RUN: grep '"--no-implicit-float"' %t.log
+// RUN: grep '"-no-implicit-float"' %t.log
 
 // RUN: clang -ccc-host-triple i386-apple-darwin9 -### -S -msoft-float -mno-soft-float %s 2> %t.log
-// RUN: grep '"--no-implicit-float"' %t.log | count 0
+// RUN: grep '"-no-implicit-float"' %t.log | count 0
 
 // RUN: clang -ccc-host-triple i386-apple-darwin9 -### -S -mno-soft-float %s -msoft-float 2> %t.log
-// RUN: grep '"--no-implicit-float"' %t.log
+// RUN: grep '"-no-implicit-float"' %t.log