[PATCH] D70615: Add an -fno-temp-file flag for compilation

[Zachary Henkel via Phabricator via cfe-commits]

zahen updated this revision to Diff 232441.
zahen added a comment.

Updated with review feedback and formatting fixes


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70615/new/

https://reviews.llvm.org/D70615

Files:
  clang/include/clang/Driver/Options.td
  clang/lib/Frontend/CompilerInstance.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/test/Driver/clang_f_opts.c


Index: clang/test/Driver/clang_f_opts.c
===================================================================
--- clang/test/Driver/clang_f_opts.c
+++ clang/test/Driver/clang_f_opts.c
@@ -571,3 +571,6 @@
 // CHECK-TRIVIAL-PATTERN-NOT: hasn't been enabled
 // CHECK-TRIVIAL-ZERO-GOOD-NOT: hasn't been enabled
 // CHECK-TRIVIAL-ZERO-BAD: hasn't been enabled
+
+// RUN: %clang -### -S -fno-temp-file %s 2>&1 | FileCheck -check-prefix=CHECK-NO-TEMP-FILE %s
+// CHECK-NO-TEMP-FILE: "-fno-temp-file"
\ No newline at end of file
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -1886,7 +1886,7 @@
   Opts.ModulesEmbedFiles = Args.getAllArgValues(OPT_fmodules_embed_file_EQ);
   Opts.ModulesEmbedAllFiles = Args.hasArg(OPT_fmodules_embed_all_files);
   Opts.IncludeTimestamps = !Args.hasArg(OPT_fno_pch_timestamp);
-  Opts.UseTemporary = !Args.hasArg(OPT_fno_temp_file); 
+  Opts.UseTemporary = !Args.hasArg(OPT_fno_temp_file);
 
   Opts.CodeCompleteOpts.IncludeMacros
     = Args.hasArg(OPT_code_completion_macros);
Index: clang/lib/Frontend/CompilerInstance.cpp
===================================================================
--- clang/lib/Frontend/CompilerInstance.cpp
+++ clang/lib/Frontend/CompilerInstance.cpp
@@ -672,7 +672,7 @@
                                           StringRef Extension) {
   return createOutputFile(getFrontendOpts().OutputFile, Binary,
                           /*RemoveFileOnSignal=*/true, InFile, Extension,
-                          getFrontendOpts().UseTemporary );
+                          getFrontendOpts().UseTemporary);
 }
 
 std::unique_ptr<raw_pwrite_stream> CompilerInstance::createNullOutputFile() {
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -1560,7 +1560,8 @@
   Group<f_Group>;
 def fno_strict_overflow : Flag<["-"], "fno-strict-overflow">, Group<f_Group>;
 def fno_temp_file : Flag<["-"], "fno-temp-file">, Group<f_Group>,
-  Flags<[CC1Option, CoreOption]>, HelpText<"Do not create a temp file during compilation">;
+  Flags<[CC1Option, CoreOption]>, HelpText<
+  "Directly create compilation output files. This may lead to incorrect incremental builds if the compiler crashes">;
 def fno_threadsafe_statics : Flag<["-"], "fno-threadsafe-statics">, Group<f_Group>,
   Flags<[CC1Option]>, HelpText<"Do not emit code to make initialization of local statics thread safe">;
 def fno_use_cxa_atexit : Flag<["-"], "fno-use-cxa-atexit">, Group<f_Group>, Flags<[CC1Option]>,


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