================
@@ -678,6 +690,37 @@ struct AAAMDAttributesFunction : public AAAMDAttributes {
return !A.checkForAllCallLikeInstructions(DoesNotRetrieve, *this,
UsedAssumedInformation);
}
+
+ // Returns true if FlatScratchInit is needed, i.e., no-flat-scratch-init is
+ // not to be set.
+ bool needFlatScratchInit(Attributor &A) {
+ assert(isAssumed(FLAT_SCRATCH_INIT)); // only called if the bit is still
set
+
+ // This is called on each callee; false means callee shouldn't have
+ // no-flat-scratch-init.
+ auto CheckForNoFlatScratchInit = [&](Instruction &I) {
+ const auto &CB = cast<CallBase>(I);
+ const Function *Callee = CB.getCalledFunction();
+
+ // Callee == 0 for inline asm or indirect call with known callees.
+ // In the latter case, updateImpl() already checked the callees and we
+ // know their FLAT_SCRATCH_INIT bit is set.
+ // If function has indirect call with unknown callees, the bit is
+ // already removed in updateImpl() and execution won't reach here.
+ if (!Callee)
+ return true;
+ else
----------------
arsenm wrote:
No else after return
https://github.com/llvm/llvm-project/pull/94647
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
