peterwaller-arm added inline comments.
================
Comment at: clang/lib/Sema/SemaExprCXX.cpp:6266
+ LHS = ImpCastExprToType(LHS.get(), ResultType, CK_VectorSplat);
+ RHS = ImpCastExprToType(RHS.get(), ResultType, CK_VectorSplat);
+ }
----------------
I get an assert with the following input (float64 in, float32 out). I was lead
here by noticing that the element count comes from `CondElementCount`, but
nothing ensures that the numbers of elements are consistent with LHS or RHS.
```
svfloat32_t cond_f32_splat(svfloat64_t a) {
return a < 0. ? 1.f : 0.f;
}
```
```
#11 0x0000000001fef77e clang::ASTContext::getCanonicalType(clang::QualType)
const CodeGenTypes.cpp:0:0
#12 0x000000000446b39c clang::Sema::ImpCastExprToType(clang::Expr*,
clang::QualType, clang::CastKind, clang::ExprValueKind,
llvm::SmallVector<clang::CXXBaseSpecifier*, 4u> const*, clang::Sema::CheckedCo
nversionKind) (out/rel/bin/clang+0x446b39c)
#13 0x00000000048ca1ce
clang::Sema::CheckSizelessVectorConditionalTypes(clang::ActionResult<clang::Expr*,
true>&, clang::ActionResult<clang::Expr*, true>&,
clang::ActionResult<clang::Expr*, true>&, clan
g::SourceLocation) (out/rel/bin/clang+0x48ca1ce)
```
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D124091/new/
https://reviews.llvm.org/D124091
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