This revision was automatically updated to reflect the committed changes.
Closed by commit rL368734: [NFC][clang] Adding argument based Phase list 
filtering to getComplicationPhases (authored by zer0, committed by ).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D65993?vs=214541&id=214891#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65993/new/

https://reviews.llvm.org/D65993

Files:
  cfe/trunk/include/clang/Driver/Types.h
  cfe/trunk/lib/Driver/Driver.cpp
  cfe/trunk/lib/Driver/Types.cpp

Index: cfe/trunk/lib/Driver/Types.cpp
===================================================================
--- cfe/trunk/lib/Driver/Types.cpp
+++ cfe/trunk/lib/Driver/Types.cpp
@@ -7,9 +7,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Driver/Types.h"
+#include "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/StringSwitch.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Option/Arg.h"
 #include <cassert>
 #include <cstring>
 
@@ -293,6 +297,56 @@
   assert(P.size() <= phases::MaxNumberOfPhases && "Too many phases in list");
 }
 
+void types::getCompilationPhases(const clang::driver::Driver &Driver,
+                                 llvm::opt::DerivedArgList &DAL, ID Id,
+                                 llvm::SmallVectorImpl<phases::ID> &P) {
+  llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PhaseList;
+  types::getCompilationPhases(Id, PhaseList);
+
+  // Filter to compiler mode. When the compiler is run as a preprocessor then
+  // compilation is not an option.
+  // -S runs the compiler in Assembly listing mode.
+  if (Driver.CCCIsCPP() || DAL.getLastArg(options::OPT_E) ||
+      DAL.getLastArg(options::OPT__SLASH_EP) ||
+      DAL.getLastArg(options::OPT_M, options::OPT_MM) ||
+      DAL.getLastArg(options::OPT__SLASH_P))
+    llvm::copy_if(PhaseList, std::back_inserter(P),
+                  [](phases::ID Phase) { return Phase <= phases::Preprocess; });
+
+  // --precompile only runs up to precompilation.
+  // This is a clang extension and is not compatible with GCC.
+  else if (DAL.getLastArg(options::OPT__precompile))
+    llvm::copy_if(PhaseList, std::back_inserter(P),
+                  [](phases::ID Phase) { return Phase <= phases::Precompile; });
+
+  // -{fsyntax-only,-analyze,emit-ast} only run up to the compiler.
+  else if (DAL.getLastArg(options::OPT_fsyntax_only) ||
+           DAL.getLastArg(options::OPT_print_supported_cpus) ||
+           DAL.getLastArg(options::OPT_module_file_info) ||
+           DAL.getLastArg(options::OPT_verify_pch) ||
+           DAL.getLastArg(options::OPT_rewrite_objc) ||
+           DAL.getLastArg(options::OPT_rewrite_legacy_objc) ||
+           DAL.getLastArg(options::OPT__migrate) ||
+           DAL.getLastArg(options::OPT_emit_iterface_stubs) ||
+           DAL.getLastArg(options::OPT__analyze, options::OPT__analyze_auto) ||
+           DAL.getLastArg(options::OPT_emit_ast))
+    llvm::copy_if(PhaseList, std::back_inserter(P),
+                  [](phases::ID Phase) { return Phase <= phases::Compile; });
+
+  else if (DAL.getLastArg(options::OPT_S) ||
+           DAL.getLastArg(options::OPT_emit_llvm))
+    llvm::copy_if(PhaseList, std::back_inserter(P),
+                  [](phases::ID Phase) { return Phase <= phases::Backend; });
+
+  else if (DAL.getLastArg(options::OPT_c))
+    llvm::copy_if(PhaseList, std::back_inserter(P),
+                  [](phases::ID Phase) { return Phase <= phases::Assemble; });
+
+  // Generally means, do every phase until Link.
+  else
+    P = PhaseList;
+}
+
 ID types::lookupCXXTypeForCType(ID Id) {
   switch (Id) {
   default:
Index: cfe/trunk/lib/Driver/Driver.cpp
===================================================================
--- cfe/trunk/lib/Driver/Driver.cpp
+++ cfe/trunk/lib/Driver/Driver.cpp
@@ -3217,10 +3217,9 @@
   HeaderModulePrecompileJobAction *HeaderModuleAction = nullptr;
   ActionList LinkerInputs;
 
-  phases::ID FinalPhase;
   {
     Arg *FinalPhaseArg;
-    FinalPhase = getFinalPhase(Args, &FinalPhaseArg);
+    phases::ID FinalPhase = getFinalPhase(Args, &FinalPhaseArg);
 
     if (FinalPhase == phases::Link) {
       if (Args.hasArg(options::OPT_emit_llvm))
@@ -3323,10 +3322,13 @@
     const Arg *InputArg = I.second;
 
     llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> PL;
-    types::getCompilationPhases(InputType, PL);
-    if (PL[0] > FinalPhase)
+    types::getCompilationPhases(*this, Args, InputType, PL);
+    if (PL.empty())
       continue;
 
+    llvm::SmallVector<phases::ID, phases::MaxNumberOfPhases> FullPL;
+    types::getCompilationPhases(InputType, FullPL);
+
     // Build the pipeline for this file.
     Action *Current = C.MakeAction<InputAction>(*InputArg, InputType);
 
@@ -3337,13 +3339,9 @@
 
     for (phases::ID Phase : PL) {
 
-      // We are done if this step is past what the user requested.
-      if (Phase > FinalPhase)
-        break;
-
       // Add any offload action the host action depends on.
       Current = OffloadBuilder.addDeviceDependencesToHostAction(
-          Current, InputArg, Phase, FinalPhase, PL);
+          Current, InputArg, Phase, PL.back(), FullPL);
       if (!Current)
         break;
 
Index: cfe/trunk/include/clang/Driver/Types.h
===================================================================
--- cfe/trunk/include/clang/Driver/Types.h
+++ cfe/trunk/include/clang/Driver/Types.h
@@ -11,12 +11,14 @@
 
 #include "clang/Driver/Phases.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/Option/ArgList.h"
 
 namespace llvm {
 class StringRef;
 }
 namespace clang {
 namespace driver {
+class Driver;
 namespace types {
   enum ID {
     TY_INVALID,
@@ -100,6 +102,9 @@
   void getCompilationPhases(
     ID Id,
     llvm::SmallVectorImpl<phases::ID> &Phases);
+  void getCompilationPhases(const clang::driver::Driver &Driver,
+                            llvm::opt::DerivedArgList &DAL, ID Id,
+                            llvm::SmallVectorImpl<phases::ID> &Phases);
 
   /// lookupCXXTypeForCType - Lookup CXX input type that corresponds to given
   /// C type (used for clang++ emulation of g++ behaviour)
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