653       BlockArgument origArg = origBlock->getArgument(i);  in applyRewrites()  local
657         if (Value newArg = mapping.lookupOrNull(origArg, origArg.getType()))  in applyRewrites()
658           origArg.replaceAllUsesWith(newArg);  in applyRewrites()
667       if (!origArg.use_empty()) {  in applyRewrites()
668         origArg.replaceAllUsesWith(  in applyRewrites()
669             mapping.lookupOrDefault(castValue, origArg.getType()));  in applyRewrites()
687       BlockArgument origArg = origBlock->getArgument(i);  in materializeLiveConversions()  local
688       if (mapping.lookupOrNull(origArg, origArg.getType()))  in materializeLiveConversions()
690       Operation *liveUser = findLiveUser(origArg);  in materializeLiveConversions()
694       Value replacementValue = mapping.lookupOrDefault(origArg);  in materializeLiveConversions()
695       bool isDroppedArg = replacementValue == origArg;  in materializeLiveConversions()
703             rewriter, origArg.getLoc(), origArg.getType(),  in materializeLiveConversions()
705         assert((!newArg || newArg.getType() == origArg.getType()) &&  in materializeLiveConversions()
711             emitError(origArg.getLoc())  in materializeLiveConversions()
714             << origArg.getType();  in materializeLiveConversions()
721       mapping.map(origArg, newArg);  in materializeLiveConversions()
783     BlockArgument origArg = block->getArgument(i);  in applySignatureConversion()  local
791       mapping.map(origArg, inputMap->replacementValue);  in applySignatureConversion()
792       argReplacements.push_back(origArg);  in applySignatureConversion()
810         (!converter || replArgs[0].getType() == origArg.getType())) {  in applySignatureConversion()
813       Type origOutputType = origArg.getType();  in applySignatureConversion()
821           rewriter, origArg.getLoc(), replArgs, origOutputType, outputType,  in applySignatureConversion()
825     mapping.map(origArg, newArg);  in applySignatureConversion()
826     argReplacements.push_back(origArg);  in applySignatureConversion()