supython-coder
diff --git a/‎clang/lib/CodeGen/BackendUtil.cpp
Lines changed: 5 additions & 5 deletions b/‎clang/lib/CodeGen/BackendUtil.cpp
Lines changed: 5 additions & 5 deletions
diff --git a/‎llvm/include/llvm/Passes/PassBuilder.h
Lines changed: 41 additions & 13 deletions b/‎llvm/include/llvm/Passes/PassBuilder.h
Lines changed: 41 additions & 13 deletions
diff --git a/‎llvm/lib/LTO/LTOBackend.cpp
Lines changed: 4 additions & 4 deletions b/‎llvm/lib/LTO/LTOBackend.cpp
Lines changed: 4 additions & 4 deletions
@@ -924,25 +924,25 @@ static PassBuilder::OptimizationLevel mapToLevel(const CodeGenOptions &Opts) {
     llvm_unreachable("Invalid optimization level!");
 
   case 1:
-    return PassBuilder::O1;
+    return PassBuilder::OptimizationLevel::O1;
 
   case 2:
     switch (Opts.OptimizeSize) {
     default:
       llvm_unreachable("Invalid optimization level for size!");
 
     case 0:
-      return PassBuilder::O2;
+      return PassBuilder::OptimizationLevel::O2;
 
     case 1:
-      return PassBuilder::Os;
+      return PassBuilder::OptimizationLevel::Os;
 
     case 2:
-      return PassBuilder::Oz;
+      return PassBuilder::OptimizationLevel::Oz;
     }
 
   case 3:
-    return PassBuilder::O3;
+    return PassBuilder::OptimizationLevel::O3;
   }
 }
 
 
@@ -143,11 +143,26 @@ class PassBuilder {
   ///
   /// This enumerates the LLVM-provided high-level optimization levels. Each
   /// level has a specific goal and rationale.
-  enum OptimizationLevel {
+  class OptimizationLevel final {
+    unsigned SpeedLevel = 2;
+    unsigned SizeLevel = 0;
+    OptimizationLevel(unsigned SpeedLevel, unsigned SizeLevel)
+        : SpeedLevel(SpeedLevel), SizeLevel(SizeLevel) {
+      // Check that only valid combinations are passed.
+      assert(SpeedLevel <= 3 &&
+             "Optimization level for speed should be 0, 1, 2, or 3");
+      assert(SizeLevel <= 2 &&
+             "Optimization level for size should be 0, 1, or 2");
+      assert((SizeLevel == 0 || SpeedLevel == 2) &&
+             "Optimize for size should be encoded with speedup level == 2");
+    }
+
+  public:
+    OptimizationLevel() = default;
     /// Disable as many optimizations as possible. This doesn't completely
     /// disable the optimizer in all cases, for example always_inline functions
     /// can be required to be inlined for correctness.
-    O0,
+    static const OptimizationLevel O0;
 
     /// Optimize quickly without destroying debuggability.
     ///
@@ -161,10 +176,9 @@ class PassBuilder {
     ///
     /// As an example, complex loop transformations such as versioning,
     /// vectorization, or fusion don't make sense here due to the degree to
-    /// which the executed code differs from the source code, and the compile time
-    /// cost.
-    O1,
-
+    /// which the executed code differs from the source code, and the compile
+    /// time cost.
+    static const OptimizationLevel O1;
     /// Optimize for fast execution as much as possible without triggering
     /// significant incremental compile time or code size growth.
     ///
@@ -181,8 +195,7 @@ class PassBuilder {
     ///
     /// This is expected to be a good default optimization level for the vast
     /// majority of users.
-    O2,
-
+    static const OptimizationLevel O2;
     /// Optimize for fast execution as much as possible.
     ///
     /// This mode is significantly more aggressive in trading off compile time
@@ -197,8 +210,7 @@ class PassBuilder {
     /// order to make even significantly slower compile times at least scale
     /// reasonably. This does not preclude very substantial constant factor
     /// costs though.
-    O3,
-
+    static const OptimizationLevel O3;
     /// Similar to \c O2 but tries to optimize for small code size instead of
     /// fast execution without triggering significant incremental execution
     /// time slowdowns.
@@ -209,16 +221,32 @@ class PassBuilder {
     /// A consequence of the different core goal is that this should in general
     /// produce substantially smaller executables that still run in
     /// a reasonable amount of time.
-    Os,
-
+    static const OptimizationLevel Os;
     /// A very specialized mode that will optimize for code size at any and all
     /// costs.
     ///
     /// This is useful primarily when there are absolute size limitations and
     /// any effort taken to reduce the size is worth it regardless of the
     /// execution time impact. You should expect this level to produce rather
     /// slow, but very small, code.
-    Oz
+    static const OptimizationLevel Oz;
+
+    bool isOptimizingForSpeed() const {
+      return SizeLevel == 0 && SpeedLevel > 0;
+    }
+
+    bool isOptimizingForSize() const { return SizeLevel > 0; }
+
+    bool operator==(const OptimizationLevel &Other) const {
+      return SizeLevel == Other.SizeLevel && SpeedLevel == Other.SpeedLevel;
+    }
+    bool operator!=(const OptimizationLevel &Other) const {
+      return SizeLevel != Other.SizeLevel || SpeedLevel != Other.SpeedLevel;
+    }
+
+    unsigned getSpeedupLevel() const { return SpeedLevel; }
+
+    unsigned getSizeLevel() const { return SizeLevel; }
   };
 
   explicit PassBuilder(TargetMachine *TM = nullptr,
 
@@ -203,16 +203,16 @@ static void runNewPMPasses(const Config &Conf, Module &Mod, TargetMachine *TM,
   default:
     llvm_unreachable("Invalid optimization level");
   case 0:
-    OL = PassBuilder::O0;
+    OL = PassBuilder::OptimizationLevel::O0;
     break;
   case 1:
-    OL = PassBuilder::O1;
+    OL = PassBuilder::OptimizationLevel::O1;
     break;
   case 2:
-    OL = PassBuilder::O2;
+    OL = PassBuilder::OptimizationLevel::O2;
     break;
   case 3:
-    OL = PassBuilder::O3;
+    OL = PassBuilder::OptimizationLevel::O3;
     break;
   }