Revert commit r239481 as it is dependent on reverted llvm commit r239480.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@239588 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index ba79c4aa83bc3b25d3a00456f22173bb12ec97bc..3ec5282518fed3e36564d6a47d505d97d540a412 100644 (file)
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -636,7 +636,7 @@ def flat__namespace : Flag<["-"], "flat_namespace">;
 def flax_vector_conversions : Flag<["-"], "flax-vector-conversions">, Group<f_Group>;
 def flimited_precision_EQ : Joined<["-"], "flimited-precision=">, Group<f_Group>;
 def flto_EQ : Joined<["-"], "flto=">, Group<clang_ignored_gcc_optimization_f_Group>;
-def flto : Flag<["-"], "flto">, Flags<[CC1Option]>, Group<f_Group>;
+def flto : Flag<["-"], "flto">, Group<f_Group>;
 def fno_lto : Flag<["-"], "fno-lto">, Group<f_Group>;
 def fmacro_backtrace_limit_EQ : Joined<["-"], "fmacro-backtrace-limit=">,
                                 Group<f_Group>, Flags<[DriverOption, CoreOption]>;

diff --git a/include/clang/Frontend/CodeGenOptions.def b/include/clang/Frontend/CodeGenOptions.def
index 3ab99c2c2989c2615ec2a8ac4d34ca4e7d0b961e..adf1c879d40e89bc9ce061a2c1366e0d21745345 100644 (file)
--- a/include/clang/Frontend/CodeGenOptions.def
+++ b/include/clang/Frontend/CodeGenOptions.def
@@ -67,8 +67,6 @@ CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is
 CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled.
 CODEGENOPT(LessPreciseFPMAD  , 1, 0) ///< Enable less precise MAD instructions to
                                      ///< be generated.
-CODEGENOPT(PrepareForLTO     , 1, 0) ///< Set when -flto is enabled on the
-                                     ///< compile step.
 CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants.
 CODEGENOPT(MergeFunctions    , 1, 0) ///< Set when -fmerge-functions is enabled.
 CODEGENOPT(MSVolatile        , 1, 0) ///< Set when /volatile:ms is enabled.

diff --git a/lib/CodeGen/BackendUtil.cpp b/lib/CodeGen/BackendUtil.cpp
index 905ea617ae892ae8dcc050f08849739ccd19fa8e..30e9ebffa28bd37a4c2275bb419a1cfd6ff2e626 100644 (file)
--- a/lib/CodeGen/BackendUtil.cpp
+++ b/lib/CodeGen/BackendUtil.cpp
@@ -286,7 +286,6 @@ void EmitAssemblyHelper::CreatePasses() {
   PMBuilder.DisableUnitAtATime = !CodeGenOpts.UnitAtATime;
   PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops;
   PMBuilder.MergeFunctions = CodeGenOpts.MergeFunctions;
-  PMBuilder.PrepareForLTO = CodeGenOpts.PrepareForLTO;
   PMBuilder.RerollLoops = CodeGenOpts.RerollLoops;
 
   PMBuilder.addExtension(PassManagerBuilder::EP_EarlyAsPossible,

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 144c74de9210ba0ae5f0ff509ee6e73b839afcfe..fb277d420453232ec4d1228c5d6fe95b18702480 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2834,10 +2834,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     assert((isa<CompileJobAction>(JA) || isa<BackendJobAction>(JA)) &&
            "Invalid action for clang tool.");
 
-    if (JA.getType() == types::TY_LTO_IR ||
-        JA.getType() == types::TY_LTO_BC) {
-      CmdArgs.push_back("-flto");
-    }
     if (JA.getType() == types::TY_Nothing) {
       CmdArgs.push_back("-fsyntax-only");
     } else if (JA.getType() == types::TY_LLVM_IR ||

diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 19fe848109ab9dcfcfd3b700aa68b92b19f501d3..930c771a282ade7e77cfb7eee4210e261ec3b4d1 100644 (file)
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -485,8 +485,6 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
 
   Opts.MergeFunctions = Args.hasArg(OPT_fmerge_functions);
 
-  Opts.PrepareForLTO = Args.hasArg(OPT_flto);
-
   Opts.MSVolatile = Args.hasArg(OPT_fms_volatile);
 
   Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);

diff --git a/test/CodeGen/available-externally-suppress.c b/test/CodeGen/available-externally-suppress.c
index a25a28271277ddd8bd66aa542b5241832a8fb2d1..390d2017884a929e61fba46db68224ede01ae5c0 100644 (file)
--- a/test/CodeGen/available-externally-suppress.c
+++ b/test/CodeGen/available-externally-suppress.c
@@ -1,18 +1,12 @@
 // RUN: %clang_cc1 -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
-// RUN: %clang_cc1 -O2 -fno-inline -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
-// RUN: %clang_cc1 -flto -O2 -fno-inline -emit-llvm -o - -triple x86_64-apple-darwin10 %s | FileCheck %s -check-prefix=LTO
 
 // Ensure that we don't emit available_externally functions at -O0.
-// Also should not emit them at -O2, unless -flto is present in which case
-// we should preserve them for link-time inlining decisions.
 int x;
 
 inline void f0(int y) { x = y; }
 
 // CHECK-LABEL: define void @test()
 // CHECK: declare void @f0(i32)
-// LTO-LABEL: define void @test()
-// LTO: define available_externally void @f0
 void test() {
   f0(17);
 }
@@ -25,13 +19,9 @@ inline int __attribute__((always_inline)) f1(int x) {
 }
 
 // CHECK: @test1
-// LTO: @test1
 int test1(int x) {
   // CHECK: br i1
   // CHECK-NOT: call {{.*}} @f1
   // CHECK: ret i32
-  // LTO: br i1
-  // LTO-NOT: call {{.*}} @f1
-  // LTO: ret i32
   return f1(x);
 }