[PATCH] D88265: Fix comma with half vectors.

[Alexandre Rames via Phabricator via cfe-commits]

arames updated this revision to Diff 295025.
arames marked an inline comment as done.
arames added a comment.

Addressed review comments.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88265/new/

https://reviews.llvm.org/D88265

Files:
  clang/lib/Sema/SemaExpr.cpp
  clang/test/Sema/fp16vec-sema.c


Index: clang/test/Sema/fp16vec-sema.c
===================================================================
--- clang/test/Sema/fp16vec-sema.c
+++ clang/test/Sema/fp16vec-sema.c
@@ -28,6 +28,8 @@
   sv0 = hv0 >= hv1;
   sv0 = hv0 || hv1; // expected-error{{logical expression with vector types 'half4' (vector of 4 '__fp16' values) and 'half4' is only supported in C++}}
   sv0 = hv0 && hv1; // expected-error{{logical expression with vector types 'half4' (vector of 4 '__fp16' values) and 'half4' is only supported in C++}}
+  hv0, 1; // expected-warning 2 {{expression result unused}}
+  1, hv0; // expected-warning 2 {{expression result unused}}
 
   // Implicit conversion between half vectors and float vectors are not allowed.
   hv0 = fv0; // expected-error{{assigning to}}
Index: clang/lib/Sema/SemaExpr.cpp
===================================================================
--- clang/lib/Sema/SemaExpr.cpp
+++ clang/lib/Sema/SemaExpr.cpp
@@ -13933,9 +13933,10 @@
   // float vectors and truncating the result back to half vector. For now, we do
   // this only when HalfArgsAndReturn is set (that is, when the target is arm or
   // arm64).
-  assert(isVector(RHS.get()->getType(), Context.HalfTy) ==
-         isVector(LHS.get()->getType(), Context.HalfTy) &&
-         "both sides are half vectors or neither sides are");
+  assert(
+      (Opc == BO_Comma || isVector(RHS.get()->getType(), Context.HalfTy) ==
+                              isVector(LHS.get()->getType(), Context.HalfTy)) &&
+      "both sides are half vectors or neither sides are");
   ConvertHalfVec =
       needsConversionOfHalfVec(ConvertHalfVec, Context, LHS.get(), RHS.get());
 


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