================
@@ -3232,6 +3264,22 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl
GD, unsigned BuiltinID,
return RValue::get(emitUnaryMaybeConstrainedFPBuiltin(
*this, E, Intrinsic::sinh,
Intrinsic::experimental_constrained_sinh));
+ case Builtin::BIsincos:
+ case Builtin::BIsincosf:
+ case Builtin::BIsincosl:
+ case Builtin::BI__builtin_sincos:
+ case Builtin::BI__builtin_sincosf:
+ case Builtin::BI__builtin_sincosl:
+ // Only use the llvm.sincos.* builtin on AArch64 with optimizations.
+ // Currently, getting codegen that is no worse than the direct call
+ // requires using AA during codegen. This is not done at optlevel=none,
+ // and not all targets support this (AArch64 is one of the few known to).
+ if (!getTarget().getTriple().isAArch64() ||
+ CGM.getCodeGenOpts().OptimizationLevel == 0)
+ break;
----------------
MacDue wrote:
Okay, I'd be happier landing this if I could get word from someone working on
one of the larger targets that disable this to why
`combiner-global-alias-analysis` is turned off. `x86_64` was where I noticed
the issue, so perhaps @RKSimon?
https://github.com/llvm/llvm-project/pull/114086
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