================
@@ -2694,19 +2694,41 @@ bool SPIRVInstructionSelector::selectIntrinsic(Register
ResVReg,
}
return MIB.constrainAllUses(TII, TRI, RBI);
}
- case Intrinsic::spv_loop_merge:
- case Intrinsic::spv_selection_merge: {
- const auto Opcode = IID == Intrinsic::spv_selection_merge
- ? SPIRV::OpSelectionMerge
- : SPIRV::OpLoopMerge;
- auto MIB = BuildMI(BB, I, I.getDebugLoc(), TII.get(Opcode));
+ case Intrinsic::spv_loop_merge: {
+ auto MIB = BuildMI(BB, I, I.getDebugLoc(), TII.get(SPIRV::OpLoopMerge));
for (unsigned i = 1; i < I.getNumExplicitOperands(); ++i) {
assert(I.getOperand(i).isMBB());
MIB.addMBB(I.getOperand(i).getMBB());
}
MIB.addImm(SPIRV::SelectionControl::None);
return MIB.constrainAllUses(TII, TRI, RBI);
}
+ case Intrinsic::spv_selection_merge: {
+
+ auto SelectionControl = SPIRV::SelectionControl::None;
+ const MDNode *MDOp =
+ I.getOperand(I.getNumExplicitOperands() - 1).getMetadata();
----------------
llvm-beanz wrote:
This looks like it is making an unsafe assumption about what the metadata is.
https://github.com/llvm/llvm-project/pull/116331
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