================
@@ -686,12 +686,31 @@ static Value *EmitSignBit(CodeGenFunction &CGF, Value *V)
{
return CGF.Builder.CreateICmpSLT(V, Zero);
}
+/// Checks no arguments or results are passed indirectly in the ABI (i.e. via a
+/// hidden pointer). This is used to check annotating FP libcalls (that could
+/// set `errno`) with "int" TBAA metadata is safe. If any floating-point
+/// arguments are passed indirectly, setup for the call could be incorrectly
+/// optimized out.
+static bool HasNoIndirectArgumentsOrResults(CGFunctionInfo const &FnInfo) {
+ auto IsIndirect = [&](ABIArgInfo const &info) {
----------------
vfdff wrote:
May I ask why don't you determine whether the type of return and arguments is a
pointer? What's the difference?
https://github.com/llvm/llvm-project/pull/108853
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