[clang] f6ea1af - Revert "[clang][Interp] Implement missing compound assign operators"

Timm Bäder via cfe-commits cfe-commits at lists.llvm.org
Thu Jan 19 04:54:40 PST 2023


Author: Timm Bäder
Date: 2023-01-19T13:52:47+01:00
New Revision: f6ea1af9a4b71d27de2dde629224af1220c5c85b

URL: https://github.com/llvm/llvm-project/commit/f6ea1af9a4b71d27de2dde629224af1220c5c85b
DIFF: https://github.com/llvm/llvm-project/commit/f6ea1af9a4b71d27de2dde629224af1220c5c85b.diff

LOG: Revert "[clang][Interp] Implement missing compound assign operators"

This reverts commit 490e8214fca48824beda8b508d6d6bbbf3d8d9a7.

This breaks a builder: https://lab.llvm.org/buildbot/#/builders/214/builds/5415

Added: 
    

Modified: 
    clang/lib/AST/Interp/ByteCodeExprGen.cpp
    clang/test/AST/Interp/literals.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/AST/Interp/ByteCodeExprGen.cpp b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
index 8565f635eafc7..d0140863c5d7d 100644
--- a/clang/lib/AST/Interp/ByteCodeExprGen.cpp
+++ b/clang/lib/AST/Interp/ByteCodeExprGen.cpp
@@ -525,8 +525,8 @@ bool ByteCodeExprGen<Emitter>::VisitCompoundAssignOperator(
     const CompoundAssignOperator *E) {
   const Expr *LHS = E->getLHS();
   const Expr *RHS = E->getRHS();
-  std::optional<PrimType> LT = classify(E->getComputationLHSType());
-  std::optional<PrimType> RT = classify(E->getComputationResultType());
+  std::optional<PrimType> LT = classify(E->getLHS()->getType());
+  std::optional<PrimType> RT = classify(E->getRHS()->getType());
 
   if (!LT || !RT)
     return false;
@@ -552,18 +552,10 @@ bool ByteCodeExprGen<Emitter>::VisitCompoundAssignOperator(
     if (!this->emitSub(*LT, E))
       return false;
     break;
+
   case BO_MulAssign:
-    if (!this->emitMul(*LT, E))
-      return false;
-    break;
   case BO_DivAssign:
-    if (!this->emitDiv(*LT, E))
-      return false;
-    break;
   case BO_RemAssign:
-    if (!this->emitRem(*LT, E))
-      return false;
-    break;
   case BO_ShlAssign:
     if (!this->emitShl(*LT, *RT, E))
       return false;
@@ -573,17 +565,8 @@ bool ByteCodeExprGen<Emitter>::VisitCompoundAssignOperator(
       return false;
     break;
   case BO_AndAssign:
-    if (!this->emitBitAnd(*LT, E))
-      return false;
-    break;
   case BO_XorAssign:
-    if (!this->emitBitXor(*LT, E))
-      return false;
-    break;
   case BO_OrAssign:
-    if (!this->emitBitOr(*LT, E))
-      return false;
-    break;
   default:
     llvm_unreachable("Unimplemented compound assign operator");
   }

diff  --git a/clang/test/AST/Interp/literals.cpp b/clang/test/AST/Interp/literals.cpp
index 4fc9489941e55..cd5c9da9bda51 100644
--- a/clang/test/AST/Interp/literals.cpp
+++ b/clang/test/AST/Interp/literals.cpp
@@ -469,160 +469,5 @@ namespace IncDec {
     return (a -= a);
   }
   static_assert(subAll(213) == 0, "");
-
-  constexpr bool BoolOr(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a |= b2;
-    return a;
-  }
-  static_assert(BoolOr(true, true), "");
-  static_assert(BoolOr(true, false), "");
-  static_assert(BoolOr(false, true), "");
-  static_assert(!BoolOr(false, false), "");
-
-  constexpr int IntOr(unsigned a, unsigned b) {
-    unsigned r;
-    r = a;
-    r |= b;
-    return r;
-  }
-  static_assert(IntOr(10, 1) == 11, "");
-  static_assert(IntOr(1337, -1) == -1, "");
-  static_assert(IntOr(0, 12) == 12, "");
-
-  constexpr bool BoolAnd(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a &= b2;
-    return a;
-  }
-  static_assert(BoolAnd(true, true), "");
-  static_assert(!BoolAnd(true, false), "");
-  static_assert(!BoolAnd(false, true), "");
-  static_assert(!BoolAnd(false, false), "");
-
-  constexpr int IntAnd(unsigned a, unsigned b) {
-    unsigned r;
-    r = a;
-    r &= b;
-    return r;
-  }
-  static_assert(IntAnd(10, 1) == 0, "");
-  static_assert(IntAnd(1337, -1) == 1337, "");
-  static_assert(IntAnd(0, 12) == 0, "");
-
-  constexpr bool BoolXor(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a ^= b2;
-    return a;
-  }
-  static_assert(!BoolXor(true, true), "");
-  static_assert(BoolXor(true, false), "");
-  static_assert(BoolXor(false, true), "");
-  static_assert(!BoolXor(false, false), "");
-
-  constexpr int IntXor(unsigned a, unsigned b) {
-    unsigned r;
-    r = a;
-    r ^= b;
-    return r;
-  }
-  static_assert(IntXor(10, 1) == 11, "");
-  static_assert(IntXor(10, 10) == 0, "");
-  static_assert(IntXor(12, true) == 13, "");
-
-  constexpr bool BoolRem(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a %= b2;
-    return a;
-  }
-  static_assert(!BoolRem(true, true), "");
-  static_assert(!BoolRem(false, true), "");
-
-  constexpr int IntRem(int a, int b) {
-    int r;
-    r = a;
-    r %= b; // expected-note {{division by zero}} \
-            // ref-note {{division by zero}} \
-            // expected-note {{outside the range of representable values}} \
-            // ref-note {{outside the range of representable values}}
-    return r;
-  }
-  static_assert(IntRem(2, 2) == 0, "");
-  static_assert(IntRem(2, 1) == 0, "");
-  static_assert(IntRem(9, 7) == 2, "");
-  static_assert(IntRem(5, 0) == 0, ""); // expected-error {{not an integral constant expression}} \
-                                        // expected-note {{in call to 'IntRem(5, 0)'}} \
-                                        // ref-error {{not an integral constant expression}} \
-                                        // ref-note {{in call to 'IntRem(5, 0)'}}
-
-  static_assert(IntRem(INT_MIN, -1) == 0, ""); // expected-error {{not an integral constant expression}} \
-                                               // expected-note {{in call to 'IntRem}} \
-                                               // ref-error {{not an integral constant expression}} \
-                                               // ref-note {{in call to 'IntRem}}
-
-
-
-  constexpr bool BoolDiv(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a /= b2;
-    return a;
-  }
-  static_assert(BoolDiv(true, true), "");
-  static_assert(!BoolDiv(false, true), "");
-
-  constexpr int IntDiv(int a, int b) {
-    int r;
-    r = a;
-    r /= b; // expected-note {{division by zero}} \
-            // ref-note {{division by zero}} \
-            // expected-note {{outside the range of representable values}} \
-            // ref-note {{outside the range of representable values}}
-    return r;
-  }
-  static_assert(IntDiv(2, 2) == 1, "");
-  static_assert(IntDiv(12, 20) == 0, "");
-  static_assert(IntDiv(2, 1) == 2, "");
-  static_assert(IntDiv(9, 7) == 1, "");
-  static_assert(IntDiv(5, 0) == 0, ""); // expected-error {{not an integral constant expression}} \
-                                        // expected-note {{in call to 'IntDiv(5, 0)'}} \
-                                        // ref-error {{not an integral constant expression}} \
-                                        // ref-note {{in call to 'IntDiv(5, 0)'}}
-
-  static_assert(IntDiv(INT_MIN, -1) == 0, ""); // expected-error {{not an integral constant expression}} \
-                                               // expected-note {{in call to 'IntDiv}} \
-                                               // ref-error {{not an integral constant expression}} \
-                                               // ref-note {{in call to 'IntDiv}}
-
-  constexpr bool BoolMul(bool b1, bool b2) {
-    bool a;
-    a = b1;
-    a *= b2;
-    return a;
-  }
-  static_assert(BoolMul(true, true), "");
-  static_assert(!BoolMul(true, false), "");
-  static_assert(!BoolMul(false, true), "");
-  static_assert(!BoolMul(false, false), "");
-
-  constexpr int IntMul(int a, int b) {
-    int r;
-    r = a;
-    r *= b; // expected-note {{is outside the range of representable values of type 'int'}} \
-            // ref-note {{is outside the range of representable values of type 'int'}}
-    return r;
-  }
-  static_assert(IntMul(2, 2) == 4, "");
-  static_assert(IntMul(12, 20) == 240, "");
-  static_assert(IntMul(2, 1) == 2, "");
-  static_assert(IntMul(9, 7) == 63, "");
-  static_assert(IntMul(INT_MAX, 2) == 0, ""); // expected-error {{not an integral constant expression}} \
-                                              // expected-note {{in call to 'IntMul}} \
-                                              // ref-error {{not an integral constant expression}} \
-                                              // ref-note {{in call to 'IntMul}}
 };
 #endif


        


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