Author: bcain
Date: Thu Aug 8 12:19:20 2019
New Revision: 368328
URL: http://llvm.org/viewvc/llvm-project?rev=368328&view=rev
Log:
[clang] Add no-warn support for Wa
Added:
cfe/trunk/test/Driver/as-no-warnings.c
Modified:
cfe/trunk/include/clang/Basic/CodeGenOptions.def
cfe/trunk/include/clang/Driver/CC1Options.td
cfe/trunk/lib/CodeGen/BackendUtil.cpp
cfe/trunk/lib/Driver/ToolChains/Clang.cpp
cfe/trunk/lib/Frontend/CompilerInvocation.cpp
cfe/trunk/tools/driver/cc1as_main.cpp
Modified: cfe/trunk/include/clang/Basic/CodeGenOptions.def
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/CodeGenOptions.def?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/CodeGenOptions.def (original)
+++ cfe/trunk/include/clang/Basic/CodeGenOptions.def Thu Aug 8 12:19:20 2019
@@ -133,6 +133,7 @@ CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) /
CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is
enabled.
CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is
///< enabled.
+CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled.
CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is
enabled.
CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is
enabled.
CODEGENOPT(NoInfsFPMath , 1, 0) ///< Assume FP arguments, results not
+-Inf.
Modified: cfe/trunk/include/clang/Driver/CC1Options.td
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/CC1Options.td (original)
+++ cfe/trunk/include/clang/Driver/CC1Options.td Thu Aug 8 12:19:20 2019
@@ -200,6 +200,8 @@ def compress_debug_sections_EQ : Joined<
HelpText<"DWARF debug sections compression type">;
def mno_exec_stack : Flag<["-"], "mnoexecstack">,
HelpText<"Mark the file as not needing an executable stack">;
+def massembler_no_warn : Flag<["-"], "massembler-no-warn">,
+ HelpText<"Make assembler not emit warnings">;
def massembler_fatal_warnings : Flag<["-"], "massembler-fatal-warnings">,
HelpText<"Make assembler warnings fatal">;
def mrelax_relocations : Flag<["--"], "mrelax-relocations">,
Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Thu Aug 8 12:19:20 2019
@@ -493,6 +493,7 @@ static void initTargetOptions(llvm::Targ
CodeGenOpts.IncrementalLinkerCompatible;
Options.MCOptions.MCPIECopyRelocations = CodeGenOpts.PIECopyRelocations;
Options.MCOptions.MCFatalWarnings = CodeGenOpts.FatalWarnings;
+ Options.MCOptions.MCNoWarn = CodeGenOpts.NoWarn;
Options.MCOptions.AsmVerbose = CodeGenOpts.AsmVerbose;
Options.MCOptions.PreserveAsmComments = CodeGenOpts.PreserveAsmComments;
Options.MCOptions.ABIName = TargetOpts.ABI;
Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Thu Aug 8 12:19:20 2019
@@ -2169,6 +2169,8 @@ static void CollectArgsForIntegratedAsse
CmdArgs.push_back("-msave-temp-labels");
} else if (Value == "--fatal-warnings") {
CmdArgs.push_back("-massembler-fatal-warnings");
+ } else if (Value == "--no-warn") {
+ CmdArgs.push_back("-massembler-no-warn");
} else if (Value == "--noexecstack") {
UseNoExecStack = true;
} else if (Value.startswith("-compress-debug-sections") ||
Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Thu Aug 8 12:19:20 2019
@@ -888,6 +888,7 @@ static bool ParseCodeGenArgs(CodeGenOpti
Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0,
Diags);
Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
+ Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
Opts.EnableSegmentedStacks = Args.hasArg(OPT_split_stacks);
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.IncrementalLinkerCompatible =
Added: cfe/trunk/test/Driver/as-no-warnings.c
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/as-no-warnings.c?rev=368328&view=auto
==============================================================================
--- cfe/trunk/test/Driver/as-no-warnings.c (added)
+++ cfe/trunk/test/Driver/as-no-warnings.c Thu Aug 8 12:19:20 2019
@@ -0,0 +1,14 @@
+// RUN: %clang -### %s -c -o tmp.o -target i686-pc-linux-gnu
-fno-integrated-as -Wa,--no-warn 2>&1 | FileCheck -check-prefix=CHECK-NOIAS %s
+// RUN: %clang -### %s -c -o tmp.o -target i686-pc-linux-gnu -integrated-as
-Wa,--no-warn 2>&1 | FileCheck %s
+// RUN: %clang %s -c -o %t.o -target i686-pc-linux-gnu -integrated-as
-Wa,--no-warn 2>&1 | FileCheck -allow-empty --check-prefix=CHECK-AS-NOWARN %s
+// RUN: %clang %s -c -o %t.o -target i686-pc-linux-gnu -fno-integrated-as
-Wa,--no-warn 2>&1 | FileCheck -allow-empty --check-prefix=CHECK-AS-NOWARN %s
+// RUN: not %clang %s -c -o %t.o -target i686-pc-linux-gnu -integrated-as
-Wa,--fatal-warnings 2>&1 | FileCheck --check-prefix=CHECK-AS-FATAL %s
+// RUN: not %clang %s -c -o %t.o -target i686-pc-linux-gnu -fno-integrated-as
-Wa,--fatal-warnings 2>&1 | FileCheck --check-prefix=CHECK-AS-FATAL %s
+
+// CHECK: "-cc1" {{.*}} "-massembler-no-warn"
+// CHECK-NOIAS: "--no-warn"
+// CHECK-AS-NOWARN-NOT: warning:
+// CHECK-AS-FATAL-NOT: warning:
+// CHECK-AS-FATAL: error
+
+__asm(".warning");
Modified: cfe/trunk/tools/driver/cc1as_main.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/driver/cc1as_main.cpp?rev=368328&r1=368327&r2=368328&view=diff
==============================================================================
--- cfe/trunk/tools/driver/cc1as_main.cpp (original)
+++ cfe/trunk/tools/driver/cc1as_main.cpp Thu Aug 8 12:19:20 2019
@@ -131,6 +131,7 @@ struct AssemblerInvocation {
unsigned RelaxAll : 1;
unsigned NoExecStack : 1;
unsigned FatalWarnings : 1;
+ unsigned NoWarn : 1;
unsigned IncrementalLinkerCompatible : 1;
unsigned EmbedBitcode : 1;
@@ -156,6 +157,7 @@ public:
RelaxAll = 0;
NoExecStack = 0;
FatalWarnings = 0;
+ NoWarn = 0;
IncrementalLinkerCompatible = 0;
DwarfVersion = 0;
EmbedBitcode = 0;
@@ -285,6 +287,7 @@ bool AssemblerInvocation::CreateFromArgs
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
Opts.FatalWarnings = Args.hasArg(OPT_massembler_fatal_warnings);
+ Opts.NoWarn = Args.hasArg(OPT_massembler_no_warn);
Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
Opts.TargetABI = Args.getLastArgValue(OPT_target_abi);
Opts.IncrementalLinkerCompatible =
@@ -432,6 +435,8 @@ static bool ExecuteAssembler(AssemblerIn
raw_pwrite_stream *Out = FDOS.get();
std::unique_ptr<buffer_ostream> BOS;
+ MCOptions.MCNoWarn = Opts.NoWarn;
+ MCOptions.MCFatalWarnings = Opts.FatalWarnings;
MCOptions.ABIName = Opts.TargetABI;
// FIXME: There is a bit of code duplication with addPassesToEmitFile.
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