llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

Remove unused functions and add tests for fixed-point to bool casts, which work.

---
Full diff: https://github.com/llvm/llvm-project/pull/142580.diff


5 Files Affected:

- (modified) clang/lib/AST/ByteCode/Boolean.h (-6) 
- (modified) clang/lib/AST/ByteCode/Floating.h (-1) 
- (modified) clang/lib/AST/ByteCode/Opcodes.td (+7-7) 
- (modified) clang/lib/AST/ByteCode/Source.h (-4) 
- (modified) clang/test/AST/ByteCode/fixed-point.cpp (+8) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/Boolean.h b/clang/lib/AST/ByteCode/Boolean.h
index 8380e85865ac5..fd8d546656881 100644
--- a/clang/lib/AST/ByteCode/Boolean.h
+++ b/clang/lib/AST/ByteCode/Boolean.h
@@ -30,16 +30,10 @@ class Boolean final {
 public:
   /// Zero-initializes a boolean.
   Boolean() : V(false) {}
-  Boolean(const llvm::APSInt &I) : V(!I.isZero()) {}
   explicit Boolean(bool V) : V(V) {}
 
   bool operator<(Boolean RHS) const { return V < RHS.V; }
   bool operator>(Boolean RHS) const { return V > RHS.V; }
-  bool operator<=(Boolean RHS) const { return V <= RHS.V; }
-  bool operator>=(Boolean RHS) const { return V >= RHS.V; }
-  bool operator==(Boolean RHS) const { return V == RHS.V; }
-  bool operator!=(Boolean RHS) const { return V != RHS.V; }
-
   bool operator>(unsigned RHS) const { return static_cast<unsigned>(V) > RHS; }
 
   Boolean operator-() const { return Boolean(V); }
diff --git a/clang/lib/AST/ByteCode/Floating.h 
b/clang/lib/AST/ByteCode/Floating.h
index 3a874fc6f0b41..3750568fc23c7 100644
--- a/clang/lib/AST/ByteCode/Floating.h
+++ b/clang/lib/AST/ByteCode/Floating.h
@@ -87,7 +87,6 @@ class Floating final {
 
   bool isSigned() const { return true; }
   bool isNegative() const { return F.isNegative(); }
-  bool isPositive() const { return !F.isNegative(); }
   bool isZero() const { return F.isZero(); }
   bool isNonZero() const { return F.isNonZero(); }
   bool isMin() const { return F.isSmallest(); }
diff --git a/clang/lib/AST/ByteCode/Opcodes.td 
b/clang/lib/AST/ByteCode/Opcodes.td
index 7031d7026fac4..c76ac5f8ae868 100644
--- a/clang/lib/AST/ByteCode/Opcodes.td
+++ b/clang/lib/AST/ByteCode/Opcodes.td
@@ -93,6 +93,10 @@ def FixedSizeIntegralTypeClass : TypeClass {
                Uint32, Sint64, Uint64, Bool];
 }
 
+def FixedSizeIntegralNoBoolTypeClass : TypeClass {
+  let Types = [Sint8, Uint8, Sint16, Uint16, Sint32, Uint32, Sint64, Uint64];
+}
+
 def NumberTypeClass : TypeClass {
   let Types = !listconcat(IntegerTypeClass.Types, [Float]);
 }
@@ -650,10 +654,6 @@ def CastFixedPoint : Opcode {
   let Args = [ArgUint32];
 }
 
-def FixedSizeIntegralTypes : TypeClass {
-  let Types = [Uint8, Sint8, Uint16, Sint16, Uint32, Sint32, Uint64, Sint64, 
Bool];
-}
-
 def CastAP : Opcode {
   let Types = [AluTypeClass];
   let Args = [ArgUint32];
@@ -675,7 +675,7 @@ def CastIntegralFloating : Opcode {
 
 // Cast a floating to an integer type
 def CastFloatingIntegral : Opcode {
-  let Types = [FixedSizeIntegralTypes];
+  let Types = [FixedSizeIntegralTypeClass];
   let Args = [ArgUint32];
   let HasGroup = 1;
 }
@@ -699,7 +699,7 @@ def CastPointerIntegralAPS : Opcode {
   let Args = [ArgUint32];
 }
 def CastIntegralFixedPoint : Opcode {
-  let Types = [FixedSizeIntegralTypes];
+  let Types = [FixedSizeIntegralTypeClass];
   let Args = [ArgUint32];
   let HasGroup = 1;
 }
@@ -710,7 +710,7 @@ def CastFixedPointFloating : Opcode {
   let Args = [ArgFltSemantics];
 }
 def CastFixedPointIntegral : Opcode {
-  let Types = [FixedSizeIntegralTypes];
+  let Types = [FixedSizeIntegralNoBoolTypeClass];
   let HasGroup = 1;
 }
 def ShiftFixedPoint : Opcode {
diff --git a/clang/lib/AST/ByteCode/Source.h b/clang/lib/AST/ByteCode/Source.h
index c74cda919347c..d5d294e31d90c 100644
--- a/clang/lib/AST/ByteCode/Source.h
+++ b/clang/lib/AST/ByteCode/Source.h
@@ -45,10 +45,6 @@ class CodePtr final {
     assert(Ptr != nullptr && "Invalid code pointer");
     return CodePtr(Ptr - RHS);
   }
-  CodePtr operator+(ssize_t RHS) const {
-    assert(Ptr != nullptr && "Invalid code pointer");
-    return CodePtr(Ptr + RHS);
-  }
 
   bool operator!=(const CodePtr &RHS) const { return Ptr != RHS.Ptr; }
   const std::byte *operator*() const { return Ptr; }
diff --git a/clang/test/AST/ByteCode/fixed-point.cpp 
b/clang/test/AST/ByteCode/fixed-point.cpp
index 4bf80ba7c58f0..5237d758fa257 100644
--- a/clang/test/AST/ByteCode/fixed-point.cpp
+++ b/clang/test/AST/ByteCode/fixed-point.cpp
@@ -17,6 +17,14 @@ constexpr _Accum acc = (0.5r, 6.9k);
 constexpr _Accum A{};
 static_assert(A == 0.0k);
 static_assert(A == 0);
+static_assert(!A);
+
+constexpr bool toBool() {
+  if (A)
+    return true;
+  return false;
+}
+static_assert(!toBool());
 
 namespace IntToFixedPointCast {
   constexpr _Accum B = 13;

``````````

</details>


https://github.com/llvm/llvm-project/pull/142580
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