Author: akirtzidis
Date: Sun Feb 26 20:06:18 2017
New Revision: 296306
URL: http://llvm.org/viewvc/llvm-project?rev=296306&view=rev
Log:
Add a cc1 flag for setting the existing Preprocessor option
'AllowPCHWithCompilerErrors'.
Modified:
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
cfe/trunk/test/Index/pch-from-libclang.c
Modified: cfe/trunk/include/clang/Driver/CC1Options.td
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=296306&r1=296305&r2=296306&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td (original)
+++ cfe/trunk/include/clang/Driver/CC1Options.td Sun Feb 26 20:06:18 2017
@@ -588,6 +588,8 @@ def pic_is_pie : Flag<["-"], "pic-is-pie
HelpText<"File is for a position independent executable">;
def fno_validate_pch : Flag<["-"], "fno-validate-pch">,
HelpText<"Disable validation of precompiled headers">;
+def fallow_pch_with_errors : Flag<["-"], "fallow-pch-with-compiler-errors">,
+ HelpText<"Accept a PCH file that was created with compiler errors">;
def dump_deserialized_pch_decls : Flag<["-"], "dump-deserialized-decls">,
HelpText<"Dump declarations that are deserialized from PCH, for testing">;
def error_on_deserialized_pch_decl : Separate<["-"],
"error-on-deserialized-decl">,
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=296306&r1=296305&r2=296306&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Sun Feb 26 20:06:18 2017
@@ -2296,6 +2296,7 @@ static void ParsePreprocessorArgs(Prepro
Opts.UsePredefines = !Args.hasArg(OPT_undef);
Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
+ Opts.AllowPCHWithCompilerErrors = Args.hasArg(OPT_fallow_pch_with_errors);
Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
for (const Arg *A : Args.filtered(OPT_error_on_deserialized_pch_decl))
Modified: cfe/trunk/test/Index/pch-from-libclang.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Index/pch-from-libclang.c?rev=296306&r1=296305&r2=296306&view=diff
==============================================================================
--- cfe/trunk/test/Index/pch-from-libclang.c (original)
+++ cfe/trunk/test/Index/pch-from-libclang.c Sun Feb 26 20:06:18 2017
@@ -3,17 +3,19 @@
// FIXME: Non-darwin bots fail. Would need investigation using
-module-file-info to see what is the difference in modules generated from
libclang vs the compiler invocation, in those systems.
// REQUIRES: system-darwin
+// RUN: %clang_cc1 -fsyntax-only %s -verify
// RUN: c-index-test -write-pch %t.h.pch %s -fmodules
-fmodules-cache-path=%t.mcp -Xclang -triple -Xclang x86_64-apple-darwin
-// RUN: %clang -fsyntax-only -include %t.h %s -Xclang -verify -fmodules
-fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang
-triple -Xclang x86_64-apple-darwin
-
-// expected-no-diagnostics
+// RUN: %clang -fsyntax-only -include %t.h %s -Xclang -verify -fmodules
-fmodules-cache-path=%t.mcp -Xclang -detailed-preprocessing-record -Xclang
-triple -Xclang x86_64-apple-darwin -Xclang -fallow-pch-with-compiler-errors
#ifndef HEADER
#define HEADER
struct S { int x; };
+void some_function(undeclared_type p); // expected-error{{unknown type name}}
+
#else
+// expected-no-diagnostics
void test(struct S *s) {
s->x = 0;
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